---What’s the matter with you?

   ---After the long walk, my legs       and  I  couldn’t go any further.

  A. gave out        B. gave off                   C. gave in                     D. gave up

It is difficult for you to ______ what will happen in space without gravity.

A. depend on     B. have some idea of   C. keep from      D. equip with 

Driving a car is not so difficult as you imagine, if you _____ the rules.

A. depend on    B. believe in     C. turn to      D. stick to

His father was born in the year when our country       .

  A. was built              B. was set up         C. was found         D. was founded

The idea puzzled me so much that I stopped for a few seconds to try to       .

  A. make it out           B. make it off        C. make it up  D. make it over

How did you       such a clever way out of difficulty?

  A. think over             B. think about        C. think up                   D. think on

 I can never forget the days _____ we worked together and the days _____ we spent together.

 A. when; which    B. which; when    C. what; that    D when; when     

 The whole book ________ 12 units, _________ two mainly revisions.

A. contains; containing  B. includes; contain C. contains; including  D. includes; including

What shall human beings do if oil_______sometime in the future?

       A．will run out     B．runs out of      C．runs out    D．will be run out

 _____ do you think will teach us  math  next term？

   A. Whom           B. Who            C. What          D. That