he will go out when he___(do)with this book.答案是dose/has done.我不明白它为什么要用完成时态.我觉得就是叙述“他做完那件事将会出去”这样一个事实,为什么要用完成时嗯?

when little tom all the newspapers he'll go home a sells out b will sell out c sold outd has sold out he will go out to play for a while when（完成） all his homework 括号里的英文是什么 He was heard() out (go)When I was reading a book.he was heard () out.(go) We will go out when it -------(stop) raining. He is busy when people go out to dinners .翻译 when will he go paris?[to]when will he go paris?go的后面要不要加 to 为什么?kl93 Tomorrow will be better.//when someone wall out of your life,let him go.He is just making more room for someone better to wall in. I asked him ( ) with us.A.when to go B.when he will go C.if he will go D.that he would go He works in a restaurant.He is busy when people go out to dinners.翻译. He not will be happy when he finds out,这句话怎么改成正确的? he can not go out witn you,because he will have a math (lesson/class),为什么 Please go and find out when the train will arrive哪个是主语. We will go out for a picnic ____the weather is fine.when 还是if为什么? 英语句子：He asked when the will go to the zoo.是will还是would,为什么? Please go and_____A.find out when the last train will leaveB.find out when will the last train leave选哪个?为什么? He will go with me when he finishes his work.怎样改为被动语态? 单句改错：He didn't tell me when he will go to Shanghai. when the light ___(go) out,he was sending an e-mail