问题
选择题
— What should we do first if we want to develop our village?
— A lot of new roads ______, I think. [ ]
A. must build
B. have to build
C. must be built
D. have built
答案
答案：C
搜题请搜索小程序“爱下问搜题”
— What should we do first if we want to develop our village?
— A lot of new roads ______, I think. [ ]
A. must build
B. have to build
C. must be built
D. have built
答案：C