He's working hard for fear that he ____.A.should fall behindB.fell behindC.may fall behindD.would fall behind但我选的是D.为什么选A不选D?

he's very clever what's more,he's hard-working同义句 He's_ _ clever_ _hard-working he's very clever what's more,he's hard-working同义句 He is working hard people 对working he is hard working.与he is hard 英语翻译what's wu yifan like?he's hard-working.what's he like?he's polite.he is polite.she is shy.they are heipful.they are hard-working. He’s _______ with his _______ all day.He’s a hard-working ______.(busy)RT 要有翻译 He said I was hard-working.He said he was hard-working.是不是都正确? She's working so hard!翻译 It's r___ hard-working of you. 英语词汇题2.The only for his strange behavior is that he’s been working too hard.2.The only for his strange behavior is that he’s been working too hard.a.explanation b.explaining c.explain d.explained working hard! hard-working he said he was hard-working 为什么用was sometimes he found ( ) very hard to work fo a long time because many visitors came to his home .A it B it's为什么 he said i was hard-working.was hard-working.请问这个要如何理解? he is a hard-working student hard-working做什么成分 be working hard He is working hard on a business master degree He said I was hard-working.的同义句