1、I thought you (    )like something to read,so I have brought you some books.

A.May

B.might

C.could

D.must

2、There was plenty of time.she(  ).

A.mustn't have hurried

B.couldn't have hurried

C.must not hurry

D.needn't have hurried

3、The plant is dead.I (  )it more water.

A.Will give

B.would have given

C.must give

D.should have given

4、You(  )return the book now.You cankeep it tillnext week if you like.

A.can't

B.mustn't

C.needn't

D.may not

5、Tom ought not to(  )me your secret ,but he mean no harm.

A.have told

B.tell

C.be telling

D.having told