If you do,the teachers will not let you in.哪句是主语,另一句叫什么?还有as soon as的用法是啥

What do you do if you have the flu? What do you do if you have the fly?是什么意思? Do you mind if i open the You must listen to the teache carefully.改为祈使句____ _____ the teacher carefully,please. If you or your students are looking up words from every sentence,the reading level is too high.looking up words from every sentence是什么意思?上下文是这样的：Choosing appropriate reading materials can be difficult for learners and teache How do you feel if you have the flu? What do you if you have the flu? if you have the Swine Flu,what should you do What will you do if you get the job?翻译 Do the things you enjoy if you happy What do you do if the confirmed delivery date is miss?How do you measure it? Do you know if the man is badly ill 翻译 If you do,the teachers will take it away don't play on the street.if you do,() do you mind if i open the door还是opening If you're down,ifup should do the trick. even if you do live halfway across the world If do you want ,you