巩固练习:

　　1. The Party and government ____the people to control population growth.

　　A. called off B. called for

　　C. called up D. called at

　　2. I meant____ you, but I was so busy.

　　A. to call on B. calling on

　　C. to call at D. calling at

　　3. -My sister is a typist at a foreign firm.

　　-I know this sort of work____ skill and speed.

　　A. asks for B. calls for

　　C. looks for D. waits for

　　4. -Did you____ your sister when you were in Shanghai?

　　-Yes, and I also____ my uncle's during my stay there.

　　A. call on; called on B. dropped on; visit

　　C. call on; called at D. call at; called on

　　5. The ship____ several ports to pick up passengers before crossing the ocean.

　　A. calls for B. calls up

　　C. calls on D. calls at

　　6. -What about going to the International Women Forum this evening?

　　-That's great. I'll____ you at 6∶00 sharp.

　　A. call up B. call to

　　C. call on D. call for

　　7. The baby is badly ill, please call____ a doctor.

　　A. in B. for C. at D. up

　　8. In my opinion more work does not always____ more men.

　　A. call on B. call at

　　C. call for D. call up

　　9. The head of the workshop thought it necessary____ workers for a meeting.

　　A. calling on B. calling in

　　C. to call on D. to call in

　　10. The sound of happy laughter____ memories of his childhood.

　　A. called on B. called at

　　C. called for D. called up

　　11. That was so serious a matter that I had no choice but____ the police.

　　A. called in B. calling in

　　C. call in D. to call in

　　12. The sports meet, originally due to be held last Friday, was finally

　　____because of the bad weather.

　　A. set off B. worn off

　　C. broken off D. called off

　　13. A well-written composition____ good choice of words and clear organization.

　　A. calls on B. calls for

　　C. calls up D. calls off

　　14. He can't do the job, because it calls____ skills and patience.

　　A. up B. for C. on D. in

　　Key: 1-5 BABCD6-10 DACDD11-14 DDBB