18. t is the most important to keep.
your neighbors

C. in with

D. away from
A. touch with
B. up with
19. He promised to keep.
us while he was abroad.
B. up with

C. in with
D. away from
A. in touch with
20. I took
him at once, and we have been friends over since.
A. after
В. to
C. over
D. up
Exercise 4
1. Our teacher told us that if we don't
the environment, our grandchildren may not even be
to carry on living.
A. look into
B. look out for
C. look after
D. look for
2. He may have deceived you, but he didn't take me
A. in
B. off
С. over
D. up
3.1 can't make
what he means.
A. up
B. for
C. out
D. after
4. They are all making
the exit.
A. after
B. out
C. for
D. against
5. The pain will soon pass
A. away
B. off
C. over
D. into

I promise not to do it again.
C. up
10. Please let me
I promise not to do it again.

A. off
В. on
C. up

D. in
11. He knows where the boy was hiding but he didn't let
С. on
A. up
B. off
D. in
12. He promised to deliver the stuff today and has let us
В. on
again.
A. up
C. off
D. down
13. It seems that the rain is letting
B. on
C. off
D. in
A. up
14. The traffic was held
by fog.
B. over
C. back
D. out
A. up
15. Because of the heavy rain, today the meeting will be held
C. out
until next week.
D. over
A. up
B. back
16. I would have been here sooner but the rain kept me
С. on
B. from
D. up with
A. back
17. Keep children
from the fire.
B. from
C. away
D. back
A. in with

19. The national curriculum is made
of the following subjects: English, Maths, Chemistry and
so on.
A. from
B. on
C. up
D. in
20. Shy people often find it difficult to
group discussions.
A. take place in
B. take part in
C. get on with
D. get in touch with
Exercise 3
1. "To give someone a ring" is to
A. call him up
C. admire him
D. pick him up
B. marry him
2. Because of heavy rain, the game was,
for a few days.
A. taken out
B. put off
C. set up
D. gotten away
3. What may happen if John will not arrive in time?
A. go along
B. count on
C. keep away
D. turn up
4. Johnny sometimes visits his grandparents in the countryside.
A. calls on
B. keeps off
C. takes in
D. goes up
5. I do not use those things any more. You can
them away.
A. get
B. fall
C. throw
D. make
for pickpockets".
C. Watch up
6. At the station, we often see the sign
A. Watch on
B. Watch out
D. Watch at
7. The passengers had to wait because the plane
off one hour late.
B. turned
C. cut
D. made
A. took
8. He
on many subjects at the meeting.
B. held forth
C. held good
D. held over
A. held down
9. If I had not held him
he would have beaten you soundly.
B. over
С. by
D. out
A. back

10. The bomb exploded with a loud bang which could be heard all over the town.
A. went on
B. went out
C. went off
D. went away
11. John, could you look after my handbag while I go out for a minute.
C. take place
A. take part in
B. take over
D. take care of
12. Why do they_
talking about money all the time?
A. keep on
B. give up
C. take after
D. stop by
13. My father gave up smoking two years ago.
A. liked
B. continued
C. stopped
D. enjoyed
14. The government hopes to
its plans for introducing cable TV.
A. turn out
B. carry out
С. carry on
D. keep on
15. When the tenants failed to pay their bill, the authorities decided to
the gas supply to the flat.
A. cut down
B. cut out

C. cut off

D. cut up
16. You go on ahead and then I'll catch
you.
A. along with
B. forward to
C. up with
D. on to
17. Both Ann and her sister look like her mother.
B. take place
A. take after
C. take away
D. take on
18. I'll be back in a minute, Jane. I just want to try out my new tape recorder.
A. resemble
B. test
C. arrive
D. buy

20.Do you
want to stop in this town, or shall we
D. look after
A. turn on
B. turn off
C. go on
Exercise 2
1. Please
the light, it's getting dark here.
D. turn into
A. turn on
B. turn off
C. turn over
2. The nurse has to 

the patients at the midnight.                                      

A.look after

 B. look up

C. look at

D. look for
A. look after
3. There is an inflation. The prices
A. are going on
B. are going down
C. are going over
D. are going up
4. Remember to
your shoes when you are in a Japanese house.
A. take care
B. take on
C. take over
D. take off
5. You can
the new words in the dictionary.
A. look for
B. look after
C. look up
D. look at
6. It's cold outside
your coat.
A. Put on
B. Put down
C. Put off
D. Put into
7. If you want to be healthy, you should
your bad haibits in your lifestyles

A. give up
B. call off
C. break down
D. get over
8. Never put off until tomorrow what you can do today.
C. delay
A. do
B. let
D. leave
9. My father still hasn't really recovered from the death of my mother.
A. looked after
B. taken after
C. gone off
D. got over
10. The bomb exploded with a loud bang which could be heard all over the town.
A. went on
B. went out
C. went off
D. went away

6. They've
a new tower where that old building used to be.
A. put up
B. put down
c. pushed up
D. pushed down
7. Stephen always wanted to be an actor when he
up.
B. grew
C. brought
D. settled
A. came
8. The bus only stops here to
passengers.
A. put down
B. get on
C. get off
D. pick up
9. If anything urgent comes
you can contact me at this number.
А. across
B.by

C. up
D. round        
10. Your daughter's just started work, hasn't she? How's she getting.
A. by
B. on
C. out
D. in
11. We had to turn
their invitation to lunch as we had a previous appointment.
A. over
B. out
C. up
D. down
12. He died
heart disease.
A. from
B. because
С. of
D. in
13. The elevator is not running today. It is
order.
A. to
В. out
C. out of
D. in
14. I explained
him what it meant.
A. to
B. about
C. over
D. from
15. Who will
the children while you go out to work?
A. look for
B. look up
C. look after
D. look at
16. If you want to join this club, you must
A. make up
this application form.
B. write down
C. do up
D. fill in
17. The water company will have to
off water supplies while repairs to the pipes are carried
A. take/ in
B. cut/ out
C. set/ up
D. break/ to
18. They were 30 minutes later because their car
down.
A. got
B. put
C. cut
D. broke
19. That problem is
them. We can't make
our mind yet.
A. out off/ on
B. up to/ up
C. away from/ for
D. on for/ off

trả lời hộ mình

đề bài giải pt

a) x(1-2x)-2= (2x-3)(1-x)
b) 2x(x - 2) + 5x - 10= 0