He worked on it for five years.对for five years提问

He worked on it for five years.对for five years提问 He worked for ORBIS on the plane.的中文是什么意思? It worked for He didn't give up math.He still worked hard on it.=He worked hard on math __ __ dropping it. 同义句查询He didn't give up math.He still worked hard on it. I worked on the problem for a long time and I worked it out by myself at las中文意思 It's two years since I worked in Beijing.为什么不能用has worked?He worked in Africa on wild animals for eight years.为什么不能用had worked?Our work not finished ,we refused his offer.为什么不能用has not been finished? 快...1.The math problem was very difficult for him,but he ___ it ___.A.worked;on B.worked;outC.worked;with D.worked;for2.The channel ___ ___ ___ (使可能成为） to travel by train from Paris to London 填空He (work) on this novel for a very long time.By the time he (finish) it,he (written) six noveHe (work) on this novel for a very long time.By the time he (finish) it,he (written) six novels.A 1 worked 2 finished 3 had writtenB 1 has been working He works as a teacher now,but he ___ on a farm for 3 years.A.worked B.has worked C.had worked D.woHe works as a teacher now,but he ___ on a farm for 3 years.A.worked B.has worked C.had worked D.wokes答案给的是A,但是为什么不能选C过去完 He has already worked for() hour. Acupuncture --- it worked for me请翻译 I worked on the problem ____ a long time and I worked it out____ myself____ last..A.for; by; at B.in; with; on C.on; by; in D.for; for; at the I worked on the problem ____ a long time and I worked it out____ myself____ last.A.for; by; at B.in; with; on C.on; by; in D.for; for; at the He______ on the farm for twenty years and now he is a teacher.A.has worked B.had worked C.worked D.works不是有for+一段时间么,为什么不能选b呢 英语!although the document received late at night,he still worked on it.这句话...英语!although the document received late at night,he still worked on it.句子结构是不是独立主格结构?intergrated english course英语专业综合教程 After he worked out the solution,appeared a smile on his face.A.it B.here C.what D.there (1/2)请求帮助…It was on the farm ( )we worked together that i met tom for