______is very important for us students to learn English well.

A.As                     B.There          C.What          D.It

Such a magazine has______except when you have time to kill.

A.little value                        B.much value

C.a lot of values                         D.great value

Life in the oceans ranges from the tiniest plankton(浮游生物) ______ to giants like sharks and whales.

A. all the way      B. in the way      C. by the way      D. on the way

There comes a time in every man's life_____.

　　A. that he needs to think 　　　　　 B. when he has to think

　　C. therefore he has to work hard 　　D. then he will need it

I agree with most of what you said, but I don't agree with __________.

  A everything    B  anything     C  nothing      D  none

He once worked in a company, _____ he went abroad for further study.

       A．from which      B．after that   C．after which      D．from this

The report said a bus went out of ____control on a highway ____south of the city and rushed into a river.

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

--- I am going downtown.  

--- Come on. _________.

Don't do that.  B. You are welcome.  C. Come with me. D. I'll give you a lift.

We want such materials  ________ can bear high temperature and pressure.

       A. that    B. as       C. what   D. which

----- Which share is meant for me ? 

----- You can take _____ half. They are exactly the same.

A. this      B. any       C. each        D. neither