John worked hard in order to gain the entrance to medical school这句话哪里有语法错误?

John worked hard in order to gain the entrance to medical school这句话哪里有语法错误? 请翻译“Mike and John worked hand in glove/ 连词成句:so,John,he,hard,get,job,a,might,that,worked,good The young man worked hard,in the end his dream______ The young man worked hard,in the end his dream______ John and Bobby worked in the same company.Both of them worked very hard.However,several years later,Mr.Ted,the boss of the company,asked Bobby to be market manager.John could not accept the fact.He thought the boss only liked those who flattered(奉 I worked hard John worked very hard so he ___pass the exam.Amay Bcan Ccan able to Dwas able to ___ he would have succeeded in the examinations.A If he has worked hard B If he works hard C If he worked hard D Had he worked hard 选什么?为什么? 英语翻译Peter is a driver.He drove a car for his friend John,a rich businessman.He worked hard.But he couldn't work when he drank too much.And once he almost lost his life in the traffic accident after he got drunk.John got angry and worried.But John　has　worked　as　a　sales　manager　since　he　（join）____this　company　in　2002. In the past three years ,he ____ very hard at maths. A.works B.worked C.has worked Dis workin the girl worked very hard and___ in winning the first place in her class. John does well in his English because he is hard working.John does well in his English____ ____his____ ____. Jenny worked hard in order to catch up with others将简单句改写为复合句Jenny worked hard ()()()she()()up with othersJenny worked hard ()()she()()（）up with others刚才 打错了 They worked hard yesterday afternoon.用worked hard 提问 _____ hard before, Tom is afraid of failing in the exam. A. Having been worked B. Not to have worked C. Having never worked D. Never have worked为什么选C而不可以用Never having worked They worked hard at___(sing).