What caused him _______ his job?

What caused him _______ his job?
A. give up
B. giving up
C. given up
D. to give up
      满分：4  分
2.   He saved the child's life at the _______ of his own life.
A. spending
B. service
C. cost
D. value
      满分：4  分
3.  The boss ________ with my work.
A. was satisfying
B. was satisfied
C. satisfied
D. satisfactory
      满分：4  分
4.  
Jason: Hi, Robert, how's everything with you?
Robert: _____________, and how are you?
A. Don't mention it
B. Hm, not too bad
C. Thanks
D. Pretty fast
      满分：4  分
5.  Alice: Stella, this is my boyfriend Rock.Stella: ______
A. You may only have one.
B. Yours is lovely, too.
C. Oh,really? Nice to meet you.