—What are we supposed to do first if we
题型:选择题
问题:
—What are we supposed to do first if we want to develop our village?
—Lots of new roads _____, I think. [ ]
A. must built
B. can build
C. can be built
D. must be built
—What are we supposed to do first if we want to develop our village?
—Lots of new roads _____, I think. [ ]
A. must built
B. can build
C. can be built
D. must be built