everything must have a beginning.grass never grows where the wind blows.译文是什么

It's fun to have a picnic,but they must get everything r______. everything must have a beginning.grass never grows where the wind blows.译文是什么 must have I must put everything in order . They must tell him everything.用英语 Told myself do everything must be must have been done must have done must have/ must have been的区别 have we covered everything是什么意思 everything i have done is this is everything i have .... 这题答案是D,但我选了C,31 Bob _____to New York before .He seems to know everything about the place A can have been B should have been C might Have been D must have been must,have to,have got must／have to造句 must have to区别 must not have do everything you can with everything you have must be must have done 区别