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

　　正确答案是

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

　　A. fair

　　B. remarkable

　　C. good

　　D. wonderful

　　正确答案是

　　13. Hot metal _____ as it grows cooler.

　　A. contracts

　　B. reduces

　　C. condenses

　　D. compresses

　　正确答案是

　　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

　　正确答案是

　　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

　　正确答案是

　　16. I _____ with thanks the help of my colleagues in the preparation of this new column.

　　A. express

　　B. confess

　　C. verify

　　D. acknowledge

　　正确答案是

　　17. I always _____ what I have said.

　　A. get to

　　B. see to

　　C. lead to

　　D. hold to

　　正确答案是

　　18. I am not used _____ to like that.

　　A. to being spoken

　　B. to speak

　　C. being spoken

　　D. to speaking

　　正确答案是

　　19. I am sorry that I must _____ your invitation owing to a previous appointment.

　　A. decline

　　B. reject

　　C. accept

　　D. receive

　　正确答案是

　　20. I appreciate _____ to your home.

　　A. to be invited

　　B. to have invited

　　C. being invited

　　D. having invited

　　正确答案是