问题
选择题
The old professor told us every part of the materials should be made use of ______ the power station.
A．to build
B．building
C．build
D．built
答案
答案：A
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The old professor told us every part of the materials should be made use of ______ the power station.
A．to build
B．building
C．build
D．built
答案：A