It is requested that each of the teachers invited ______ a performance at the. party.

   A. should give      B. will give       C. has to give     D. must give

– Can you tell me ___________?           

– An engineer from Jinan Iron and Steel Plants.

   A. what your friend is                 B. who your friend is

   C. what is your friend                 D. who is your friend

The situation is more _________ than ever. I’m _______about what to do next.

   A. puzzled; puzzled                   B. puzzling; puzzling 

   C. puzzling; puzzled                   D. puzzled; puzzling

It will be more than 100 years ____ the country begins once again to look as it did before.

   A. when         B. since        C. before          D. that

– I rang you at about ten o’clock, but there was no reply.

   – Oh, that was probably ________ I was seeing the doctor.

   A. when          B. why         C. what        D. that

– Is John coming by train?

   – He should, but he _______ not. He likes driving his car.

   A. must          B. can          C. need         D. may

They live in a beautiful village, with many trees and flowers _______ it.

   A. surrounded     B. surrounds     C. surrounding   D. to surround  

Li Ming is said ______ the experiment in the lab, but I can’t find him there.

   A. to have done    B. to do         C. to be doing    D. doing

– Can we get the computer before Wednesday?

   – _____. If it is 30 kilometers, we can make it, but if farther away, it will be on Thursday.

   A. I don't know for sure             B. Well, that all depends 

   C. It's up to you, sir                D. There's no need to rush

He will stop showing off, if no notice _________of him.      

   A. is taken        B. will be taken    C. takes        D. has taken