11.Have you ever picked up　 ______　 rubbish and　 thrown it into　 a dustbin?

A.more　

B. some

C. much

D .many

10.There will be a talk _____________　 environment this aftermoon.

A. to

B .on

C .in

D. with

9.After you hlave done your homework ,____________- sure there are mo careless mistakes before you hand it in .

A .try

B .do

C. make

D. take

8.I tied the tree to the top of the stick ___-it was　 straight .

A. in order to　

B. for

C. so that

D.but

7.Yesterday morning ,Jim hurried to the station .He was very angry __ the　 train had just left.

A. and　

B.so

C. because

D. so that

6.Which sentence is right?

A. Maybe he right.

B. He maybe is right.

C. He maybe right

D. Maybe he is right.

5.The room is big enough .It _______hold 1000 people.

A.　 may

B. must

D. have to

3.Could I borrow your bike?

Yes ,of couse you　 ___________.

A.must

B. need

C. can

D.could

4 I __work out the maths problem.Lily____know the answer.Let’s ask her for help.

’t　 must

’t　 may

C.may not ,　 has to

D.have to ,can

you stay here for a few days longer?

___________,but I have to go back tomorrow.

A. No problem

B.I’m afrraid not

C.I’d love to

D.No ,thank you

2.Henny _________　 be at home now because he phoned me from the school just now .

A.mustn’t

B. isn’t he able to

C.may not

’t

8. Daming and Lingling found the accents

really difficult 　　　　　　　( understand.)