18. I’d just locked the door ___- I realized I had lift my key on the kitchen table.

A. as　　 B. while　 C. when　　 D. after

17. Tom, give some of your apples to the other boys. To be a good boy, you must learn to _____.

A. care　　 B. support　　 C. spare　　 D. share

16. The room was almost empty _____ a bench or two.

A. except for　　 B. except that　　 C. but　 D. except

15. _____ the students in our class is 45 and ____ them study hard.

A. The number of; the number of　　 B. A number of; the number of

C. The number of; a number of　　 D. A number of; a number of

14. When my hand touched the letter in my pocket, I realized I had forgotten ______ it.

A. to post　　 B. to have posted　　 C. posting　　 D. having posted

13. Do you have any difficulty ______ these flowers? I’d like to help you if you have any.

A. to plant　　 B. for planting　 C. with planting　　 D. in planting

12. I hadn’t meant ____ you. Instead, what I said really meant ____ you to be good.

A. hurting; to advise　　 B. hurting; advising　　 C. to hurt; to advise　 D. to hurt; advising

11. It was only when I reread his poems recently ____ I began to appreciate their beauty.

A. until　　　 B. that　　 C. then　　 D. so

10. _____ the people there _____ that smoking is harmful to the health.

A. Majority of; think　　　　　　　　 B. The majority; thinks　

C. Majority of; thinks　　　　　　　 D. The majority of ; think

9. Make yourself ____ home and help yourself _____ anything that you’d like to eat.

A. in; with　 　B. at; to　　 C. at; with　　 D. in; to