he worked hard __many different jobs.为什么填at不填in?

( )he was ill,he worked hard he worked hard 与 he works hard 的区别? he was worked hard.was要加吗? 英语翻译2 翻译Hard as he worked he worked hard,so he worked out of the difficlt problems.同义句 He worked very hard,and____(earn)a lot of money. He worked hard.He worked hard before.两句都可以翻译成他以前努力地工作吗? ___ 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? ________at his model plane over the weekend,he didn't complete it.请问选哪个?为什么?详解,A as he worked hard B hard as he worked C how he wored hard D how hard he worked _______ at his paper over the weekend,Neil didn’t finish it.A.As he worked hardB.Hard as he worked C.How he worked hard D.How hard he worked he worked hard _____it.He learned by himself.He worked hard _____it.Now he is a great magician.A.inB.onC.for D.at 选什么 为什么 He worked hard.He could pass the math exam.(合并)He worked hard __ __ he could pass the math exam. He worked hard,but he didn't improve his work.(改为同义句）_______ he worked hard ,he didn't improve his work. IS WA HE WORKED HARD THAT HE SUCCESSEDIt was ( ) he worked hard that he succeeded.A because B sinceC asD for He didn't give up math.He still worked hard on it.=He worked hard on math __ __ dropping it. I worked hard he worked hard but he still _____ in the final exam.填fail还是failed? ( )he was in poor health ,he worked just as hard as everyone else