题目内容
—What should we do first if we want to develop our village?
—A lot of new roads_____, I think.
A. have to build B. must build C. must be built
【答案】
C
【解析】本题考查的是被动语态,情态动词的被动语态结构为主语+情态动词+be +动词的过去分词,故选C
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