11. His wife is quite lazy. Her reluctance to wash her own clothes is a case _____ point.

A. in

B. on

C. to

D. for

12. His work is only _____, certainly not distinguished.

A. fair

B. remarkable

C. good

D. wonderful

13. Hot metal _____ as it grows cooler.

A. contracts

B. reduces

C. condenses

D. compresses

14. Housewiver who do not go out to work often feel they are not working to their full _____.

A. capacity

B. strength

C. length

D. possibility

15. How close parents are to their children _____ a strong influence on the character of the children.

A. has

B. have

C. having

D. to have