everybody must do everything he can——waste water from running into rivers.A.keep B.kept C.to keep D.keeping（为什么）2.It __be him.为什么是can't不是mustn't3.since june 1st last year,all the supermarkets have_free plastic bags.为

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everybodymustdoeverythinghecan——wastewaterfromrunningintorivers.A.keepB.keptC.tokeepD.keeping（为什么）2.

everybody must do everything he can——waste water from running into rivers.A.keep B.kept C.to keep D.keeping（为什么）2.It ____be him.为什么是can't不是mustn't3.since june 1st last year,all the supermarkets have___free plastic bags.为
everybody must do everything he can——waste water from running into rivers.
A.keep B.kept C.to keep D.keeping（为什么）
2.It ____be him.
为什么是can't不是mustn't
3.since june 1st last year,all the supermarkets have___free plastic bags.
为什么是stopped providing而不是to stop providing

everybody must do everything he can——waste water from running into rivers.A.keep B.kept C.to keep D.keeping（为什么）2.It ____be him.为什么是can't不是mustn't3.since june 1st last year,all the supermarkets have___free plastic bags.为
C 非谓,不定式表目的
每个人都必须做他能做的事去组织废水流入河流
can't
情态动词表推测 mustn't是禁止做某事的意思,否定形式不能用于表推测
3.因为是去年发生的事,have stopped providing表示过去发生,已经停止
如果你选Have to是想表达不得不把,但是由于是去年发生的事,最起码得用had to...

第一题选C 因为整句话的意思是每个人必须做他可以做的每件事去阻止废水流入河流。我们所填空是表达一个目的，所以要用to keep。
can’t是表示不可能的意思，而mustn’t是表示禁止，用在这里不合适。故用can‘t

Everybody likes that sport,do ? Everybody do his own work well 英语翻译Everybody ,except the king ,must walk backwards. Everybody 是must to do还是must doing 还是must do? something must do,something must not do must 加to must not do Must you do not must doing还是must to do? must do sth must not do sth 造句各三个 must do sth 还是 must to do sth must do sth must not do sth 造句各三个 change...yes,you must do it!must do! 有首韩国歌,几个男的唱的,歌词有很多 everybody every ev有首韩国歌,几个男的唱的,歌词有很多 everybody every every body是什么歌脑筋急转弯：What does everybody do at the same time? What does everybody do at the same time 英翻汉：what does everybody do at the same time? what dose everybody do at the same time脑筋急转弯