题目内容：

 

1.Whenever Mary reads an interesting story, she can't keep it to ________ and wants to share it with her friends.

A. she    B. her    C. hers    D. herself

2.I think you should complain (抱怨), ________， of course, you are happy with the situation.

A. unless    B. however    C. until    D. though

3.—Mrs Wang taught English in a poor mountain village as a volunteer last year.

—She said she would never forget some pleasant ________ while working there.

A. experiments    B. expressions

C. experiences    D. emotions

4.—What else do we need for the trip?

—________. Let's go!

A. Nothing else    B. Something else

C. Else nothing    D. Else something

5.He advised me ________ the problems step by step.

A. solve    B. solving

C. to solve    D. to solving

6.Lucy looks worried because she has problems ________ her schoolwork.

A. to    B. with    C. by    D. of

7.—Why did Mike ignore (不理睬) me completely when I said hello to him?

—Oh, he was keeping ________ a problem.

A. think about    B. to think about

C. to thinking about    D. thinking about