It ____be Tom. He has gone to America.
| A．can’t | B．mustn’t |
| C．may | D．can |
A: Can I help you, madam?
B: I want_ .
A . two boxes of apple
B. two glass of water
C. two bowls of porridge
A: Do you like popular songs?
B: Yes , I do. _ I’m too busy to enjoy them.
A. But B. SoC. And
A: Did you solve _ problem you were discussing at the meeting?
B: No, we didn't. It was _ difficult problem we had never met.
A. the, the B. a, a C. the, a
Which sign means “Don't eat in class.”?
My father is badly ill. We must send for a doctor at once.
| A．ask a doctor to come | B．look after a doctor |
| C．go to see a doctor | D．hear from a doctor |