单项选择题

（）the room temperature, she kept the heater on.

A. Kept on
B. Keeping up
C. So as to keep up
D. To keep up

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热门试题

单项选择题

A. did we
B. didn’t we
C. dared we
D. daredn’t we

填空题

A. great B. measure C. heavy D. peasant