do write to me when you get there具体分析的详细点是什么句子,是哪种从句?

do write to me when you get there这是什么句子 do write to me when you get there具体分析的详细点是什么句子,是哪种从句? r___ to write to me soon when you get there -----Please write to me when you get home.-----_____ A.I do.B.I will.C.I can .D.I have. Please write to me. Write to me soon. write to me soon When should I write to them?Do you think?(when)为什么是这样改:When do you think I should write to them?而不是:Do you think when I should write to them? Don‘t forget---- to me when you get to ChinaA.writing B.write C.to write D.writes when you write to him ,please()him选项：Agive my regard toBremember me to Please use this email when you wish to write to me as the other email is Please write to me at once when you arrive .(同义句)Please write to me at once when you arrive .(改为同义句)Please write to me ___ ___ ____ you arrive. Please write to me when you ( )回信时括号里写什么单词 -Write to me when you have time.-Sure.But ___ is your e-mail address. When do you want to beco me one thank me back when you do not have to please write to me at once when you arrive改为同义句：please write to me 〈三个词〉you arrive please write to me soon