—I think the man over there must be Bob.

-- It _______ be him. He has ______ to Australia.

　 A. can’t, gone B. can’t, been C. may not, been　 D. mustn’t, gone

I have a good friend at home. Her name is Mimi. She is white and yellow. She is very cute. I play with her when(当……的时候) I have time. She likes fish very much. When she is behind (在……之后) the sofa or in her box, you can’t see her. When I sit on the sofa, she sits with me. In the evening I do my homework at my desk, and she is on the desk. At that time I put her down(放下). Then she sits next to me. Is she a good friend of me?

1.Who is my good friend at home?

A. A boy.B. A cat.C. A fish.D. A tiger.

2.When she is in the box or behind the sofa, you ____.

A. can’t see herB. like herC. play with herD. don’t like her

3.When I do my homework, she ____.

A. does its homeworkB. plays with a ball

C. sits on the sofaD. sits on the desk

4.We can see ____ in the room.

A. a sofaB. a black catC. some good friendsD. a computer

5.I do my homework ____.

A. in the morningB. in the afternoonC. in the eveningD. at noon

I have a good friend at home. Its name is Mimi. It’s white and yellow. It’s very lovely. I play with it when I have time. It often plays with a ball. It likes fish very much. When it is behind the sofa or in the box, you can’t see it. When we sit on the sofa and watch TV, it sits with us. In the evening, I do my homework at my desk. It is on the desk, too. At that time I put it down. Then it sits beside me. Is it a good friend of mine?
【小题1】Who is my good friend at home?
A. A boy.          B. A girl.                C. A cat.             
【小题2】When it is in the box or behind the sofa, you       .
A. can see it               B. can’t see it           C. play with it
【小题3】When I do my homework, it      .
A. does its lessons B. sits in the box     C. sits beside me         
【小题4】We can see       in the room.
A. a big sofa           B. a black cat      C. some friends   
【小题5】I do my homework      .
A. with the cat         B. with a friend           C. in the evening      

 —Oil is everywhere in this store, so you             know smoking is forbidden here.

—I'm sorry.

A. can     B. may    C. must

—I saw Helen in the library this morning.

          —No, it _________ her. She moved to France last week.

         A. can’t be               B. can be               C. mustn’t be