问题
选择题
In this country, coal electricity.
A．is used to produce
B．is used to produced
C．is used to producing
D．used to produce
答案
答案：A
本题考查短语搭配。be used to do被用来做，根据句意：在这个国家，煤被用来发电。选A。
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In this country, coal electricity.
A．is used to produce
B．is used to produced
C．is used to producing
D．used to produce
答案：A
本题考查短语搭配。be used to do被用来做，根据句意：在这个国家，煤被用来发电。选A。