题目内容
—What are we supposed to do first if we want to develop our village?
—Lots of new roads _____, I think.
—Lots of new roads _____, I think.
[ ]
A. must built
B. can build
C. can be built
D. must be built
B. can build
C. can be built
D. must be built
D
练习册系列答案
相关题目