单项选择题

When ______ to zero degree centigrade, water will be changed into ice.

A. cooled
B. being cooled
C. having cooled
D. cooling
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单项选择题
He ______ with a new plan at the meeting yesterday.
A. came up
B. caught up
C. put up
D. kept up
单项选择题
Mary ______ her thick coat because it was snowing.
A. put back
B. put on
C. put away
D. put aside
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