My son ___ be home by now. Where can he be?
a. have to
b. would
c. should
d. could
2. I think your thumb is broken. You ___ go to the emergency room.
a. might
b. could
c. ought to
d. can
3. If you are interested in losing weight, you ______ try this new diet.
a. could
b. mustn’t
c. don’t have to
d. had to
4. John’s fallen down the stairs! I ________ call an ambulance!
a. will
b. might
c. may
d. ought to
5. You _______ come too early. We won’t leave until 9 o’clock.
a. has to
b. must
c. needn’t
d. can’t
6. Children ________ be accompanied by an adult at the zoo.
a. ought to
b. must
c. would
d. mustn’t
7. You _________ talk during tests. It’s forbidden!
a. don’t have to
b. mustn’t
c. couldn’t
d. ought to
8. I can feel the heat. We _________ be near the fire.
a. can
b. would
c. must
d. have to
9. They ________ hear him because he was whispering.a. can
b. would
c. must
d. have to
9. They ________ hear him because he was whispering.
a. wouldn’t
b. mustn’t
c. shouldn’t
d. couldn’t
10. You’ve never heard of Britney Spears? You ________ be serious!
a. must
b. had to
c. can’t
d. shouldn’t
11. __________ you like to have dinner with me tonight?
a. Could
b. May
c. Should
d. Would
12. You _________ let him hear about the party tomorrow. It’s a surprise!
a. mustn’t
b. wouldn’t
c. couldn’t
d. can
13. __________ I speak to the Chief Councellor, please?
a. Must
b. May
c. Would
d. Need
14. He has arrived late. He _______ missed the bus.
a. must have
b. should have
c. ould have
d. must
15. Julian _________________ play excellent golf when he was only ten.
a. would
b. must
c. could
d. may​