问题
选择题
Some of this heat near the earth's surface _________ make electricity.
A．is used for
B．is used to
C．gets used to
D．used to
答案
B
be used to do /be used for doing 表示“被用来做……”。
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Some of this heat near the earth's surface _________ make electricity.
A．is used for
B．is used to
C．gets used to
D．used to
B
be used to do /be used for doing 表示“被用来做……”。