423. I would buy one soft-drink can, but I _____ money on me.

A. didn’t have　　 B. don’t have　 C. had to　　 D. won’t have

422. Children are taught to be active ______ the environment.

A. to protect　 B. in　　 C. protecting　 D. in to protect

421. The plane was out of ____, but now we are in completely________ the situation.

A. control; control of　　　　　　　　 B. control; control

C. control of control　　　　　　　　 D. controlling; control

420. They wandered around the village, _____the ____ bike.

A. seeking; missing　　　　　　 B. sought; missed

C. seeking; missed　　　　　　 D. sought; missing

419. We must do something to stop the pollution and protect the world _____harm.

A. to　　 B. with　　 C. for　　 D. from

418. I spent _______ of my time in this work.

A. a plenty　　 B. a good many 　C. a good deal　 D. great deal

417. That man is difficult _________.

A. dealing　 B. dealt with　 C. to deal with　 D. to be dealt with

416. This is the book _____with the world population.

A. dealing　 B. dealt　　 C. to be dealt　　 D. being dealt

415. _______drinks the polluted water gets sick.

　 A. People who　 B. Person who　 C. Anyone　 D. Anyone who

414. Bad luck. It never rains but it _________.

A. is poured　　 B. pours　　 C. pouring　 D. poured