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Self-assessment,1.他从学校回来时，他妈妈正在烧饭。 2.他在看书时，他的妻子一直在烧饭。,翻译句子,When he returned, his mother was cooking.,While he was reading, his wife was cooking.,3.他一边烧饭一边唱歌。 4.我们正要动身，这时天突然下雨了。,As he cooked, he sang.,We were about to start when it began to rain.,5.你喜欢踢足球而我喜欢弹钢琴。 6.随着时间的推移，我们都渐渐长大了。,You like playing football while I like playing the piano.,As time went by, we all grew up.,1. He was about to tell me the secret _ someone patted him on the shoulder. (2003 上海) A. as B. until C. while D. when,2. We were swimming in the lake _ suddenly the storm started. (2004 北京) A. when B. while C. until D. before,3. Jasmine was holidaying with her family in a wildlife park _ she was bitten on the leg by a lion. (2004 上海) A. when B. while C. until D. before,4. He transplanted the little tree to the garden_ it was the best time for it. (2005 上海) A. where B. when C. while D. as,5. -Did Jack come back early last night? -Yes. It was not yet eight oclock _ he arrived home. (2005 福建) A. before B. when C. that D. until,I arrived late; I _the road to be so icy. A. wouldnt expected B. havent expected C. hadnt expected D. wasnt expecting,The news came as no surprise to me. I _for some time that the factory was going to shut down. A. had known B. knew C. have known D. know,By the end of last year, another new gymnasium _in Beijing. A. would be completed B. was being completed C. has been completed D. had been completed,The little girl _her heart out because she _her toy bear and believed she wasnt ever going to find it. A. had cried;lost B. cried; had lost C. has cried; has lost D. cries; has lost,The new suspension bridge _by the end of last month. A. has been designed B. had been designed C. was designed D. would be designed,He _more than 5,000 English words when he entered the university at the age of 15. A. has learned B. would have learned C. learned D. had learned,-Hurry up! Alice and sue are waiting for you at the school gate. -Oh! I thought they _ without me. A. went B. are going C. have gone D. had gone,Father _for London on business upon my arrival, so I didnt see him. A. has left B. left C. was leaving D. had left,He kept looking at her, wondering whether he _had seen her somewhere. A. saw B. has seen C. sees D. had seen,Since自从以来，谓语动词用现在完成时。,The country life he was used to _ greatly since 1992. A. change B. has changed C. changing D. have changed,The country life he was used to _ greatly since 1992. A. change B. has changed C. changing D. have changed,The first use of atomic weapons was in 1945, and their power _ increased enormously ever since. A. is B. was C. has been D. had been,The majority of Americans _ from all other different parts of the world to the United States since the War of Independence. A. have come B. come C. had come D. came,-Did you find the missing tourists in the mountains yesterday? -No, but we _to get in touch with them ever since. A. have tried B. had tried C. have been trying D. had been trying,Shelly _Beijing for Shanghai and _there ever since. You can go and pay her a visit on your way to Hangzhou. A. left; worked B. left; has worked C. has left; worked D. has left; had worked,-Why do you look that worried? -Joyce left office two weeks ago. Her work has been left undone _. A. though B. otherwise C. before D. since,Mr. and Mrs. Smith left our village Tuesday afternoon and havent been seen _. A. since B. anyway C. though D. thus,-How long _ at this job? -Since 1990. A. were you employed B. have you been employed C. had you been employed D. will you been employed,Its ten years _ the scientists set out to start his work of discovering the valuable chemical. A. before B. since C. when D. that,-How long do you think it is _ he arrived here? -No more than half a year, I believe. A. when B. that C. before D. since,
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