-____it be Peter who broke the vase?-No.It must be John who did it.为什么不能填Maymay不能用在问句里表推测么？

-____it be Peter who broke the vase?-No.It must be John who did it.为什么不能填Maymay不能用在问句里表推测么？ See who's there!Can it be Mary?See who's there!____it be Mary?a.may b.must c.can d.will这题答案为什么选C不选D呢? Who has a basketball?Peter does.为什么用peter does不用peter has. 有人敲门,会是谁呢 There is someone _________ at the door .Who ____it ______? why was the door——?Who ____it?用open适当形式填空 go be or not to be ____it's a question'是啥意思啊? Don't be afraid of asking for information ____it is needed.A,when B,unless It's snowing ,but not very cold.but the radio ____it will be fine tomorrow Class 3 won the football match!____it be ture?A MayB MustC WillD Can选哪个? That will be OK ____ ____ ____it isn't too expensive.只要不要太贵就没有关系. ____it with me should be a good choice.Trust me.为什么不能用祈使句的形式 Shall the bike be repaird by him?No,I'd rather he ____it repaird. Peter Peter Who is the man over there?He's------father.a.peter b.peters' c.peter's Peter's son is the D of my son ,am I peter's grandson?Who am who is your class teacher Peter asked Amy.改从句 Who is your friend,peter?(用Danny回答）Thanks!