Page 36 - pet225ebook

Exercise 4

Choose the correct answer for the question.

1. My grandmother is eighty-five, but she ……………… still read and write without
glasses. (Ability)

a. can b. could c. may
2. ………………. you help me with the housework, please? (Polite request)

a. must b. could c. should

3. There was a time when I …………. stay up very late. (Past ability)
a. would b. could c. can

4. You ……………. not lose any more weight. You are already slim. (Necessity)

a. May b. need c. should
5. It is snowing outside so I …………… stay at home. (Intention)

a. May b. will c. can
6. ……………. you take care of my dog for a day? (Polite request)

a. Will b. shall c. should
7. Danny ___________________ swim when he was four. Now he's part of the town's

swimming team. (past ability)

a. Could b. can c. must
8. Leaving the house today without an umbrella ___________________ be such a good

idea. It looks like it's going to rain in the afternoon.
a. Ought to b. must not c. had better

9. My husband is preparing dinner. He's not a good cook so you ___________________
expect anything special.

a. Must not b. can not c. should not

10. Your cold is getting worse and you have a runny nose. You ___________________ to
see the doctor.

a. Must have b. should c. ought to
11. I can't see very well but that ___________________ be Claire over there. It least, she

looks like Claire.

a. Must b. could c. should
12. Be careful when you walk across that old wooden bridge. It ____________________

be very safe.
a. Ought to b. had better c. might not