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”

461.I can’t go with you, but I really wish I can. 462.If you told me about it , I would have helped you. 463.She insisted that she hadn’t took my magazine. 464.We haven’t moved into the building because the rooms are being painting. 465.The more he thought about it , the more questions he thought of ask. 466.His order is that the rules don’t be broken anytime. 467.The play to be put up next week is an exciting one. 468.He is well known in this city with that new invention. 469.The boy is always m aking a lot of noises. 470.I just couldn’t think of a way solving the problem at that time.

461 can→could462told→had told 463 took→taken464painting→painted 465ask→asking 466don’t→shouldn’t 467up→on 468with→for 469 noises→noise470way→way of

451. Does she matter if she is a bit late for the meeting? 452. Did you have any difficulties in making the machine move again? 453. Having lived in Shanghai for many years , he knew the city very much. 454. How about invited her to dinner tonight? 455. We made up our mind to do our best to make progress. 456. It has rained for days and the river has raised about five feet. 457.There was nothing in his talk which interested me. 458.Mary was among the girls who was praised at the meeting. 459.The number of the passengers killed in the accident are surprising. 460.I have made this clear to her that the job is very important.

451change the first “she” into “it” 452difficulties→difficulty 453 much→well454invited→inviting455mind→minds456raised→risen457which→that 458 was →were459 are→is460this→it

441. I remember she was killed in an accident in a rainy day. 442. She hasn’t got used to speak in public yet. 443. Tom failed again in his English exam, this made his father very angry. 444. Jane hasn’t come yet. What do you suppose having happened to her? 445. Even if inviting , I won’t go. 446. The Yangtze River is the fourth long river in the world. 447. One of the students sit in front gave a different answer to the question. 448. The trousers are made very small. The cloth have been wasted. 449. It’ll be some time when the building is completed. 450. They lost the game. How they wish they didn’t.

441in→on 442speak→speaking 443this→which 444 having→has445inviting→invited 446 long→longest447sit→sitting 448have→has 449when→before 450didn’t→hadn’t

431. These days I am considering change my job. 432. Will the people sit at the back please keep quiet? 433. Probably I’ll stay four and five days with my uncle. 434. Three fourths of the earth are covered by water. 435. That she learned from you made her very sad for a few weeks. 436. Now a color TV set costs much less than it was years ago. 437. It is said that the man has been found and was sent to hospital. 438. I could have helped her but she didn’t ask me. 439. She was just about get into sleep when the baby began to cry. 440. Last Sunday I went to town, buying some apples and visited my grandma.

431change→changing 432sit→sitting 433and→or 434 are→is435 That→What436was→did 437drop “was” 438me→me to 439about→about to 440visited→visiting

421. The light in the hall is still turned on. I have to go and turn it off. 422. Why did she refused to take his presents is not known. 423. Usually at the begin of a meeting, we sang the national song. 424. He was quite out of breathe when he got there. 425. After quickly washing my clothes, I went to receive her at the station. 426. Look up! There’s danger ahead. 427. ”Do you know she doesn’t like you?” “No, I don’t. Nor don’t I care.” 428. “How is your mother now. “She is a lot of better, .thank you. 429. To my mind, this novel is far much interesting than that one. 430. Tom is a good boy, except he is sometimes a little careless.

421drop “turned” 422drop “did” 423begin→beginning 424 breathe→breath425 quickly→quick426up→out 427don’t→do 428drop “of” 429much→more 430except→except that

411. Only then did I realized that I had made a mistake. 412. I wonder if you will be kind to carry the bag for me. 413. I didn’t learn to ride a car until I was forty. 414. We hoped each other the best of luck in the exam. 415. Sorry, your letter is still in my pocket. I forgot post it. 416. The speaker is an old professor in his sixty’s. 417. The fish has gone bad. It smells terribly. 418. When she came, you were on your way to get the key you have left in the office. 419. Last night my father worked late into the night, prepared a report for the meeting. 420. I once suggested give us students more free time.

411realized→realize 412kind→kind enough 413ride→drive 414hoped→wished 415post→to post 416sixty’s→sixties 417terribly→terrible 418have→had 419 prepared →preparing420give→giving

401. Does this river go across the town or around it? 402. The town has population of forty thousand. 403. Please tell me all what he told you the other day. 404. Although he is considered a great writer, still his works are not widely read. 405. It won’t be long before they will get married. 406. What a fun it is to go swimming in summer. 407. They spent many years save enough money to build a house of their own. 408. Man can travel in the space. 409. Will you join in us if we decide to do the new experiment? 410. She is thinking about what do next.

401around→round 402has→has a 403what→that 404still→yet 405drop “will” 406drop “a” 407save→saving 408drop “the” 409drop “in” 410do→to do

100.　　　　　　 taking→ take

99.　 burning→ burned