问题
选择题
The old professor told us that every part of the materials should be made use of _____ the station. [ ]
A. building
B. to build
C. build
D. being built
答案
答案：B
搜题请搜索小程序“爱下问搜题”
The old professor told us that every part of the materials should be made use of _____ the station. [ ]
A. building
B. to build
C. build
D. being built
答案：B
