—Listen! Someone is knocking at the door. Who _____it be?
—It_____ be Tom. He phoned to visit me this evening.
| A．may; may | B．may; shouldn’t |
| C．must; can | D．must; may |
----Don’t forget to give my best wishes to your uncle.
----_________.
| A．No, I don’t | B．No, I won’t |
| C．Yes, I do | D．Yes, I will |
----Whose book is this?
----It _______ our geography teacher’s. You see, his name is on it.
| A．can’t be | B．can be |
| C．mustn’t be | D．must be |
---- Mom , I was the first to reach the top of the mountain .
--- Good job, Jack! I 'm ______ of you.
| A．careful. | B．proud. |
| C． tired | D．afraid. |
There is ______ American boy in our class and ______ boy can speak good Chinese .
| A．an, the . | B．an, an. |
| C．a, an . | D．a, the. |
—Could I have a rest, Sir.? —________, we have little time left.
| A．Of course, you could | B．Of course, you can |
| C．Sorry, you can’t. | D．Sorry, you couldn’t |