How long应该用什么来回答?For 还是 since是只能for用吗?还是两者都能用since是加一个时间点,

How long应该用什么来回答?For 还是 since是只能for用吗?还是两者都能用since是加一个时间点, 用how long 问是用for回答还是别的什么 how long,how soon,how far等用什么回答,明天一模了!就是说,how long是用for回答的,那其他呢? 是不是用how long问用for...回答? how long did the winner take to finish the marathon?只需回答“用什么回答‘for 还是什么? 什么情况下How long 不用for回答?什么时候用for回答?比如How long have you been in China?就要For a tear.How long does it take you to go to school every day?就是An hour而不是For an hour.写错了第一个问提的回答最后一 用什么提问?答句是About one hour. A.How far B.How soon C.How ofter D.How longB还是DHow soon用in回答How long用for回答要说出理由 How long have you studied English in XXXXXX English School?用 since 回答：---------------------------------------------.用 for 回答：---------------------------------------------. how long do you this book?For three days 应该填什么 how long do you this book?For three days 应该填什么 How long did you stay there? 应该怎么回答 how long are you at school?应该怎样回答? For ten years用什么提问How long 还是 How soon 用how long造句并回答 How long怎么回答 for three days, for two years,这些都是how long的回答,那么回答前是for的就一定是how long的回答吗 how long aog did he begin his diet?的回答是for+ 一段时间如for a week还是不要for是how long ago有ago还是用for吗？ How much TY do you watch____ TY do you watch For half an hour a dayA.how many B how much C how long D how often每个选项的用法可以讲下么?这题应该选什么呢?同学说B可是后边说的是时间,不是应该用C么?