问题
选择题
—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
答案
答案:D
—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
答案:D