【正文】 e been wasted a lot by the have been done about the will be a lot of more people in this developing sun’s light and heat make possible for plants to grow the air in this city use to be very dirty? parents prevented him from sent to had her hair burning while doing is used to taking the place of wood in many “so” 392stands→standing 393have→has 394have→has 395drop “of” 396make→make it 397Does→Did 398sent→being sent 399buring→burned 400taking→take this river go across the town or around it? town has population of forty tell me all what he told you the other he is considered a great writer, still his works are notwidely won’t be long before they will get a fun it is to go swimming in spent many years save enough money to build a house of their can travel in the you join in us if we decide to do the new experiment? is thinking about what do →round 402has→has a 403what→that 404still→yet 405drop “will” 406drop “a” 407save→saving 408drop “the” 409drop “in” 410do→to do then did I realized that I had made a wonder if you will be kind to carry the bag for didn’t learn to ride a car until I was hoped each other the best of luck in the , your letter is still in my forgot post speaker is an old professor in his sixty’ fish has gone smells she came, you were on your way to get the key you have left in the night my father worked late into the night, prepared a report for the once suggested give us students more free →realize 412kind→kind enough 413ride→drive 414hoped→wished 415post→to post 416sixty’s→sixties 417terribly→terrible 418have→had 419 prepared →preparing420give→giving light in the hall is still turned have to go and turn it did she refused to take his presents is not at the begin of a meeting, we sang the national was quite out of breathe when he got quickly washing my clothes, I went to receive her at the up!There’s danger .”Do you know she doesn’t like you?” “No, I don’ don’t I care.”428.“How is your mother now.“She is a lot of better,.thank my mind, this novel is far much interesting than that is a good boy, except he is sometimes a little “turned” 422drop “did” 423begin→beginning 424breathe→breath425 quickly→quick426up→out 427don’t→do 428drop “of” 429much→more 430except→except that days I am considering change my the people sit at the back please keep quiet? I’ll stay four and five days with my fourths of the earth are covered by she learned from you made her very sad for a few a color TV set costs much less than it was years is said that the man has been found and was sent to could have helped her but she didn’t ask was just about get into sleep when the baby began to Sunday I went to town, buying some apples and visited my →changing 432sit→sitting 433and→or 434 are→is435 That→What436was→did 437drop “was” 438me→me to 439about→about to 440visited→visiting remember she was killed in an accident in a rainy hasn’t got used to speak in public failed again in his English exam, this made his father very hasn’t e do you suppose having happened to her? if inviting , I won’t Yangtze River is the fourth long river in the of the students sit in front gave a different answer to the trousers are made very cloth have been ’ll be some time when the building is lost the they wish they didn’→on 442speak→speaking 443this→which 444 having→has445inviting→invited 446 long→longest447sit→sitting 448have→has 449when→before 450didn’t→hadn’t she matter if she is a bit late for the meeting? you have any difficulties in making the machine move again? lived in Shanghai for many years , he knew the city very about invited her to dinner tonight? made up our mind to do our best to make has rained for days and the river has raised about five was nothing in his talk which interested was among the girls who was praised at the number of the passengers killed in the accident are have made this clear to her that the job is very the first “she” into “it” 452difficulties→difficulty 453 much→well454invited→inviting455mind→minds456raised→risen457which→that 458 was →were459 are→is460this→it can’t go with you, but I really wish I you told me about it , I would have helped insisted that she hadn’t took my haven’t moved into the building because the rooms are being more he thought about it , the more questions he thought of order is that the rules don’t be broken play to be put up next week is an exciting is well known in this city with that new boy is always m aking a lot of just couldn’t think of a way solving the problem at that can→could462told→had told 463 took→taken464painting→painted 465ask→asking 466don’t→shouldn’t 467up→on 468with→for 469 noises→noise470way→way of one in my family but my parents are interested in the I know when it was impolite to get in a .“You make a mistake here, Li, Ping.” “Why , so I was.” was until midnight that he felt puzzling mother couldn’t understand why her daughter got so have handed in all the exercise books except had hardly set out than it began to she understood you, why not to try to explain it to him? the time you will e back , we shall have had our final ’m afraid I will have a little time to e and see →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” happened in our school was quite is very can make it of many kinds of are only one of the workers I can food in our country is quite different from one in it last Sunday when you met her in the street? is two days since I came was it which you sent her the next fell seriously ill last week but now she looks as good as you tell me how much the TV set took you? 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 book is said to have translated into several .“ It’s not good room for you, isn’t it” sight of a sna