1 . — Is Lang Lang going to perform at Art Center this Friday?
— Yes. It ________ be him. He has been here for three days.

A．might

B．must

C．mustn’t

D．may

2 . —Who’s that person in the street? Is it Mr. Liu?
—It ________ be him. Because Mr. Liu is ill in hospital already.

A．mustn’t

B．can’t

C．needn’t

D．maybe

3 . —Whose bike is this?
—It________belong to Adam. Look! His bag is on it.

A．must

B．may

C．will

D．can

4 . ―Look at the woman standing under the big tree. Is she your aunt Mrs. Brown?
―No, it ________ be her. She’s gone to Shanghai for a meeting.

A．may not

B．needn’t

C．can’t

D．mustn’t

5 . People’s abilities differ, but their rights and opportunities ________ be the same.

A．could

B．might

C．need

D．should

6 . If fish are jumping higher than usual or frogs are croaking more loudly, it________ rain.

A．must

B．may

C．shall

D．need

7 . 选用适当的单词或短语补全对话
Boss: All the documents     1     （must/can） be prepared before the meeting starts
Secretary: I know that. Kelly has been working on the documents since last Monday. She     2    （may/must）have got everything ready but I am not sure.
Boss: Wheres Kelly then?
Secretary: She     3     （must/has to）be in the sales managers office now. I saw her go in there a minute ago.

9 . Mike ________ come to see me this afternoon. I don’t want to go window shopping with you in case he comes.

A．can

B．must

C．may

D．will