Unit 10 : Engagered species : Test 3

UNIT 10: ENDANGERED SPECIES

EXERCISES

1. Choose the best option for each sentence:

1)           Young people ______ obey their parents.

a. must      b. may          c. will           d. ought to          

2)          Jenny's engagement ring is enormous! It ______ have cost a fortune

a. must                 b. might                c. Will                d. should

3)          “______ you hand me that pair of scissors, please?”

a. Mayb. Will                  c. Shall d. Should                  

4)           Marcela didn’t come to class yesterday. She _____ an accident.

a. should have had           b. might have                         c. must haved. may have had              

5)           John still hasn’t come out. He ______ everything for the trip now.

a. must have been preparing                                          c. must be preparing

b. will be preparing                                                       d. will have prepared

6)           The photos are black. The X-ray at the airport _____ them.

a. should have damaged                                                c. would have damaged

c. would damage                                                          d. must have damaged

7)           My car stopped on the high way. It _____ out of gas

a. may run          b. may have run           c. must be d. should have run

8)          These two boys look identical. They _____ twins.

a.must have been            b.must be          c. should be d. should have been    

2. Choose the best answer for each of the following sentences
1. Jessica hasn’t made up her mind about where to go to school. She __________ attend Duke University. She just doesn’t know yet.
       A. mustn’t             B. may not                  C. needn’t                   D. can’t
2. This box isn’t as heavy as it looks. You ________ help me with it. Thanks anyway for offering to help.
        A. must                     B. mustn’t                C. might                       D. needn’t
3. Yesterday everyone in the office ________leave the building for a fire drill. I am glad it wasn’t a real fire.
       A. may                    B. might                      C. must                       D. mustn’t
4. You ________ play loud music at night. The neighbours will call the police.
A. mustn’t       B. needn’t                    C. might not                  D. couldn’t
5. You __________ stand up. There are a lot of seats available on the bus.
      A. couldn’t             B. mustn’t                     C. needn’t                   D. might not
6. People who use public parks __________ clean up after themselves.
A. must                       B. may                         C. ought                       D. might

7. This library book is overdue. I _________ better return it today.
       A. need                 B. must                         C. might                       D. had
8. Our company provides free advice on the use of our products. You _________ pay us.
      A. must                  B. have to                     C. needn’t                   D. mustn’t
9. Whatever ___________ come, I will always be by your side.
      A. must                  B. may                        C. could                       D. need
10. We _________open the lion`s cage. It is contrary to Zoo regulations.
      A. must                  B. mustn`t                   C. needn`t                    D. should
11. I___________arrive on time, so please start dinner without me.
      A. could                 B. may                         C. may not                  D. should
12. "Are these gloves necessary?" "Yes. You_____use this chemical without gloves. It will burn your skin."
A. must not     B. don`t have to            C. could not                 D. need not
13. You ________clean the windows. The window-cleaner is coming tomorrow.
A. don`t have   B. must                         C. mustn`t                    D. needn`t