for two days 和for about two days有什么区别呢?for about two days这是什么用法啊?为什么有for 和about两个介词呢?

for two days 和for about two days有什么区别呢?for about two days这是什么用法啊?为什么有for 和about两个介词呢? two days 和 for two days 有什么区别如题 two days later ; in two days ; for two days ; two days late的区别 About for two days.还是About two days? can i ask for two days off? I have been working for two days. leave Hong Kong in two days 和 leave for Hong Kong two days later有什么区别? for可以和一般过去时连用么He stayed at home for two days.只有现在完成时能用for John stayed in beijing for two days last week对for two days提问 we will stay there for two days.for two days划线,划线提问 He could only remember things for two days.对for two days提问 “大约两天”是for about two days还是about for two days ask for two days off 还是two-day off Amy has a cold _____.A.for two days ago B.for two days before C.two days ago D.two days before if it's fine,the sports meeting will be on for two days.那个on 和for He must remain in bed for another two days.改为同义句.remain 和 another two画了线, Tom bought this dictionary two days ago（改为同义句Tom_____ _____this dictionary for two days She will be back in two days.(用for two days改写)