II. Choose the correct answer.
Nick is strong. He ______ lift this box.
A. must B. can C. could D. have to
2. In many countries all children ______ attend elementary school.
A. must B. could C. have to D. can
3. I didn't come to the party yesterday because I ______ study.
A. could B. must C. have to D. had to
4. Dogs ______ bark.
A. must B. could C. can D. have to
5. ______ I speak to Jimmy?
A. Must B. Can C. Could D. Have to
6. People ______ eat in order to live.
A. could B. must C. can D. have to
7. In order to be a good shop-assistant, you ______ be rude to customers.
A. can't B. don't have to C. couldn't D. mustn't
8. She isn't very clever. She ______ answer your question.
A. can B. mustn't C. can't D. has to
9. If he wants to become a good specialist, he ______ study well.
A. must B. has to C. could D. can
10. Annie is busy. ______ I take message?
A. Have to B. Can C. Must D. Could