6. “I’m afraid it _______ (need) mending”, Mrs. White turned off the TV. (1999西安)

5. A new bridge _________ (build) over the river last year. (1999福州)

4. Fish may _____ ____ (catch) in the river. (1999呼和浩特)

3. English __________ (speak) as a second language in some countries. (1999山西)

2. Now many kinds of work __________ (can do) by robots. (1999上海)

1. A lot of water _________ (waste) every year. It’s a serious problem.

501.He stood up to make himself see and was soon found by his friends. 502.It was late but the peasants still had their tractor work in the fields. 503. Don’t worry. I’ll have John finishing the work for you. 504. She doesn’t talk as many as she used to . 505. Stay where you are, boys. Wait until I will come back. 506.I was running after Tom’s bike while I fell over a stone. 507.John and I have done our homework, Mother. So let me go for a swim, will you? 508. Of all the students I made few mistakes in the exam. 509. The boy told the teacher all had happened. 510.There are more than fifty students in his class, but only few of them like music.

501 see→seen502work→working 503finishing→finish 504many→much 505drop “will” 506while→when 507 me→us508 few→the fewest509all→all that 510few→a

491.The book is said to have translated into several languages. 492. “ It’s not good room for you, isn’t it” 493. The sight of a snake very frightened her. 494. I have never seen so thick a snow. 495.I just can’t imagine how a satellite looks like. 496.The young man lives upstairs is a man of few words. 497.I don’t think the woman easy to get along with. 498.Please tell me how long she has got married. 499. The old man was found lying death in bed a week later. 500.The professor who arrives this morning is from Beijing University.

491 have→have been492isn’t→is 493very→quite 494drop “a” 495 how→what496lives→living 497easy→is easy 498got→been 499death→dead 500arrives→arrived

481.All happened in our school was quite unexpected. 482.Bamboo is very useful. We can make it of many kinds of things . 483.You are only one of the workers I can trust. 484.The food in our country is quite different from one in Britain. 485.Was it last Sunday when you met her in the street? you tell me how much the TV set took you? 490.It took place in the afternoon when I met you in the street

481All→All that 482 of→into483only→the only 484one→that 485when→that 486 That→It487which→that 488good→well 489took→cost 490in→on

471.No one in my family but my parents are interested in the play. 472.Little I know when it was impolite to get in a word. 473. “You make a mistake here, Li, Ping.” “Why , so I was.” 474.It was until midnight that he felt asleep. 475.The puzzling mother couldn’t understand why her daughter got so excited. 476.I have handed in all the exercise books except John. 477.I had hardly set out than it began to rain. 478.Since she understood you, why not to try to explain it to him? 479.By the time you will come back , we shall have had our final examination. 480. I’m afraid I will have a little time to come and see you. 　 471are→is 472I→did I 473 was→did474 felt→fell475puzzling→puzzled 476John→John’s 477than→when 478 drop the firsr “to”479 drop “will” 480drop “a”