改错题：we should keep in mind the necessity that every person must save the energy resources.we should keep in mind the necessity that every person must save the energy resources为什么要把must改成should?

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改错题：we should keep in mind the necessity that every person must save the energy resources.we should keep in mind the necessity that every person must save the energy resources为什么要把must改成should?
改错题：we should keep in mind the necessity that every person must save the energy resources.
we should keep in mind the necessity that every person must save the energy resources
为什么要把must改成should?

改错题：we should keep in mind the necessity that every person must save the energy resources.we should keep in mind the necessity that every person must save the energy resources为什么要把must改成should?
must和should都有表示应该的意思,一般来说must是带有命令色彩的词,而should比must委婉点,这句话中,语法是没错的,但是不符合语言习惯,所以用should.
谢谢采纳!

should为情理上的应该
must为理智上的必须

可从词义理解，从语法角度讲，与前面SHOULD的相对应。

it is +necessary +that clause(虚拟语气)是我们都知道的的语法结构，但是这里的necessity后的从句也要用虚拟语气，也就是should+do 的形式。所以must应改为should。

改错题：we should keep in mind the necessity that every person must save the energy resources.we should keep in mind the necessity that every person must save the energy resources为什么要把must改成should? --i think we should keep----inthe readying room . Should we dietto keep fit Should I Keep it up? 改错 We must keep the classroom cleanly. shall we keep the window close?改错 We should keep our classroom _______(clean). We should keep children ______ .(safe) We should keep inthe reading room We should keep the nice room clean should we keep pets in dormitory We should do exercise to keep h___. 1.My schoolbag is very heavy ,so I have a sore ____ today.2.Ibrush my ____ twice a day.3.We should eat more fruit and vegtables to keep health.(改错）_____4.I'm not feeling well.Ihave a lot of headache.(改错）______5.He can't hear anything.（ You should eat more vegetables to keep health.改错 改错题We should work hard than we did last year哪里错了 we should keep quiet here 同义句 we should keep ____ here 小学英语问题!～～急用一．填空1.My presents_(be) not at home a moment ago.2 They aren't_(I) films.3.Shall we_(watch)Aladin now.二．改错1.Two sheep are on the grass.-改为：2.It means we should keep quietly.-改为：3.We will hav What should I keep in mind?