The school bag ___ behind the chair.

    A. puts                  B. can be put           C. can be putted         D. can put

The monkey was seen _____ off the tree.

    A. jump             B. jumps            C. jumped                 D. to jump

He says that Mr. Zhang _____ to the factory next week.

   A. is sent              B. would send        C. was sent                D. will be sent

I ____ in summer.

   A. born                   B. was born                 C. have been born               D. am born

The Great Wall ____ all over the world.

   A. knows             B. knew                C. is known               D. was known

--When ___ this kind of computers______? 

--Last year.

   A. did; use                  B. as; used                 C. is; used                 D. are; used

The doctor _____ for yet.

   A .isn't sent             B. hasn't been sent        C. won't be sent          D. wasn't sent

Neither of them ______ in China.

   A. is made            B. are made               C. were made         D. made

A lot of things ____ by people to save the little girl now.

   A. are doing                              B. are being done

   C. has been done                       D. will be done

How many trees ____ this year?

   A. are planted                  B. will plant              C. have been planted               D. planted