we must __polluted water__ entering the clean river.prevented,from 和keep ,from选那一个呀?
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wemust__pollutedwater__enteringthecleanriver.prevented,from和keep,from选那一个呀?wemust__pollutedwater__en
we must __polluted water__ entering the clean river.prevented,from 和keep ,from选那一个呀?
we must __polluted water__ entering the clean river.
prevented,from 和keep ,from选那一个呀?
we must __polluted water__ entering the clean river.prevented,from 和keep ,from选那一个呀?
prevented,from和 keep ,from都有阻止...不被怎么样
可是按照句子应该是选择keep from,原因就是时态了,we must .must 是情态动词,后不能接过去式的
we must __polluted water__ entering the clean river.prevented,from 和keep ,from选那一个呀?
we must protect ourselves (w)
We must
we must walk to the village .there is no other w( )of going there
the lights have three (c ).we must (w )(f )the lights turns (g ) when we need to cross the road .
We must face the fact __________ our time is limited and we must cherish every minute.A.which B.on which C.that D.why w.w.w.k.s.5.u.c.o.m
When the fire d----- is high,we must be careful.We must not have c--- in the countryside.We must put our rubbish bin.At home ,we must not cook w--- an adult,We must not play near a fire ,It's everyone‘s job not to s----- a fire.首字母填空
We must value what we
We must ( )(work)hard.
we must call the
We must help them?
we must help it
why we must sleep
We must learn it
we must find a
We must purify the
Summer vacation is coming.We will visit World.I think it's interting.You must enjoy yourself.We w翻译一下好么
“we must study them.是“we must study them.