问题

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

正确答案是：

同类题型

I didn’t have to work all weekend — I didit by _______.

It was after carefulconsideration we decided to take action

—He looked so scary that the kids were really _____. —He often uses that _____ look to frighten them. [ ]

What will the computer ______ in the future

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