the work that___ before building a bridge is to make a good design.A:must do B:is to do C：must be done Dhas been done 选什么?为什么,

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the work that___ before building a bridge is to make a good design.A:must do B:is to do C：must be done Dhas been done 选什么?为什么,
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the work that___ before building a bridge is to make a good design.A:must do B:is to do C：must be done Dhas been done 选什么?为什么,
the work that___ before building a bridge is to make a good design.
A:must do B:is to do C：must be done Dhas been done 选什么?为什么,

the work that___ before building a bridge is to make a good design.A:must do B:is to do C：must be done Dhas been done 选什么?为什么,
选C
因为首先工作是被完成所以要用被动语态,就可以排除A和B.
其次这个工作并没有完成所以不能现在完成时,这样就可以排除D.

C
意为在修桥之前必须完成的工作

C：must be done
定语从句，必须在建桥之前做的工作是作好设计。

C
首先考的是宾语从句，先行词是work，然后work是被做，所以用被动语态
再之，通过翻译：在建造这座桥前必须做的工作是去做一个好的设计。
可得答案。

The book that___(buy)last week the work that___ before building a bridge is to make a good design.A:must do B:is to do C：must be done Dhas been done 选什么?为什么, Do you have any bright ideas that___(change) the situation soon怎么填! He thinks that___(join) the English club is.中join该怎样用 I prefer the music that___ ____ _____（使我放松）紧急 remember that___(同别人交谈)is not just speaking and understanding the language remember that___(同别人交谈)is not just speaking and understanding the language3分钟内回答正确加分!1 work the That is one of those books that___ worth readingA.is B.areThat is the only one of the students whose handwriting ___ the best.A.is B.are That___(lady) coat is dear. this applicatiou must yun on oy piease set the bef There is no doubt that___ the mother is most concerned about is the health of her children.A.thatB.whatC./D.whether it was reported that___ people in this area were saved in the floodA hundreds of B hundred C two hundreds D hundred of We can__ with our hands.空格中填什么We____five senses.We can_____ with our hands.Listen to the drill.It's too____.I don't like that___. he was caught in the rain last night.that___（选下一句）A.can bring aboutB.ought to bring aboutC.should have brought aboutD.may have brought about 单选The committee has decided to hold a meeting to discuss the matter that___ from the recentThe committee has decided to hold a meeting to discuss the matter that___ from the recent changes in law.A.aroused B.arisen C.raised D.risen 英语问题The question that___ at the conference was whether we had enough money for our research.The question that___ at the conference was whether we had enough money for our research.A.came up B.was came up C.was came up with D.came up with.这 It is impossible for ____ little children to do______ difficult work.A,so ;suchB ,such;so C.such;suchI can't imagine that___ little birds can eat _____many worms.A.such;so B,so;such C.such;such