how long 后面怎么加 for two days 和 since two days ago 到底怎么加 什么时候加 意思是什么 老师太偏 只认钱

how long 后面怎么加 for two days 和 since two days ago 到底怎么加 什么时候加 意思是什么 老师太偏 只认钱 how long 能不能加 will怎么加 How long does your mother usually spend __ a big dinner?空格处填,preparing为什么后面不加for I don't know how you ( has )put up with him for so long.是用现在完成时,加has吗? how long will you stay ____there 用不用加for 这个句子有错吗?You don't how long I have waited for youYou don't how long I have waited for you请问这个句子有病吗?如果有的话,怎么更改?刚学英语,请大家帮忙看下You don't how long I have waited for you,the road seems s How long did their holiday last for?怎么翻译 how long后面要加什么动词?问题补充：how long 后面的动词一定是延续型动词吗?比如要用 How long has he been away from China?而不是How long has he left China? I HAVN'T SEEN JOHN FOR A LONG TIME 请问这个SEE后面为什么加N啊?这是什么句型啊?万分感谢 How long 后面加瞬间动词 还是延续性动词?gone 是瞬间动词还是延续性动词?gone gone的内个问题怎么没人回答我……！ How long did the heavy rain____(last)持续的意思last week.怎么填,为什么How long后面能用过去式, How long怎么回答 为什么how long提问,答语前面要加for—How long have you lived in China?—For about three years.为什么答语前面用for啊? i haven't seen you for a long time,how have you been recentely? I don't care how long i have been waiting for my You don't know how long I've waited for you you don't know how long I have wating for you.. I haven't seen Americans for a long time .how about you?