They did a survey__the students in our school.A.at B.on C.of D.to正确答案并帮忙解释下这四个介词的区别.

Nobody watched TV yesterday ,() A.did you B.did they () a sports meet last Sunday Yes ,they ().A.Did they have… didB.Did they have… hadC.Had they… hadD.Had they… did They.,did they?(造句) Did you know where ____ from?A.did they come B.they came C.do they come D.they come Did they have a good time last weekend?改为同义句：Did they ( ) ( ) last weekend? ___the importance of doing morning exercises.A) They little did realize C) They did realize littleB) Little did they realize D) Little they realized 为什么? they went to the cinema ,____?A.didn't they B.do they C.did they D.don't they 英语翻译did they take the bag after a struggle or not?where did they run?did she run after them or not?what were they doing?what did Mrs.sterling do what did they do? 翻译 What did they do for a rest? good a time they did have 连词成句 when did they hold a spring outing的中文解释 they did a s ____about learning English.如题 HOW DID THEY EVER MAKE A MOVIE OF FACEBOOK怎么样 They did some s____and bought a lot of things Did they have a good time there?怎么回答 They did won a prize.写得对吗 速回 ( )they went to the park,___?A.didn’tthey B.do they C.did they D.don’t they They went to the park,_____?A.It's red B.do they C.did they D.don't they