we can not figure out ____quit a number of insects ,birds ,and animals are dying out .

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

US President Barack Obama is expecting the economy to show some _________ of recovery．

A. attempts        B. signs       C. contents      D. waves

I keep medicines on the top shelf, out of the children’s________.

A. reach       B. hand       C. hold       D. place

What’s the _____ of having a public open space where you can’t eat, drink or even simply hang out for a while?

   A. sense            B. matter            C. case               D. opinion

The winter of 2008 was extremely bad._____most of people say it was the worst winter of their lives.

A．In general      B．In a word     C．In all     D．In fact

This is a junior school.You should go to a senior school _____girls of your age.

A.for    B. about     C. from        D. to

There are altogether eleven books on the shelf, ______five are mine.

      A.on which          B. in which           C.of which          D. from which

A bullet hit the solider and he was wounded in ____leg.

A. a     B . one      C. the     D. his

I knew  ______John Lennon ,but not ____famous one.

A. /,a     B. a ,the      C. /,the  D. the, a

-----What do you remember Alexander Graham Bell as?

------As ______ inventor of ______ telephone.    

A. an; /                 B. the; a                C. the; the            D. /; the