问题

100℃ is the temperature ___ which water will boil[ ]
A: for
B: at
C: on
D: of
B: at
C: on
D: of
正确答案是:
同类题型
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____ may beat you, I will teach him a good lesson.
Tina,is that your book on the sofa—No, is in the bookcase.
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