II.rewrite the following sentences using the suitable possessive pronouns.

1.it is their new marketing strategry for this year.

the new marketing strategy for this year is_______________

2.was it your idea of living in the countryside?

was the idea_______________________

3.this is his medical invention.

this medical invention is______________________

4.I owned the room on the second floor.

the room on the second floor was__________________

5.is that her scientific research project?

is that scientific research project_______________

6.this dish of mushroom tacos belonged to him.

this dish of mushroom tacos was___________________

7.carla forgot her pen,so she used my pen instead.

carla forgot her pen,so she used__________________________

8.they are the owners of a 20-year-old department store.

the 20-year-old deparment store is__________________________

9.he lost his glasses, so he wants to borrow your glasses for a while

he lost his glassec,so he wants to borrow_______________________

10.their house and our house are in the same neighbourhood.

their house and_______________________________

I.complete the sentences with the suitable words based on the subject pronouns in brackers.

1.this is______brother joe.he is going to join our volleyball team(I)

2.how can we contact alex and amy?-you can call_____on this number(they)

3.who wants to go to the supermarket for_____?I'm very tired today(I)

4.i think jack london is a brilliant author.______work is fantastic.(he)

5.are your sister and brother ready for______competition?(they)

6.is that mary's car over there?-no._____car is in the garage.(she)

7.elise looks sad today.should we ask her to hang out with_____later?(we)

8.how can we reduce stress?-i think______disappears over time.(it)

9.it's hard to see trenton he spends most of______time in the office(he)

10.______new watch looks great.it must be very expensive.(you)

11.do you know those girls?-______are wendy's cousins.(they)

12.______science club is going to welcome a new member next month.(we)

1.tính tổng các x

a) - 7 < x<11

b) - 15 \(\le x\le14\)

c)-2002 \(\le x\le2003\)