The water gives up energy and becomes cooler____________the
时间:2019-06-27 09:55来源:未知 作者:admin 点击:
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(单选题)15: The water gives up energy and becomes cooler____________the ice receives energy and melts.
A: when
B: while
C: for
D: because
(单 选题)15: The water gives up energy and becomes cooler____________ the ice receives energy and melts.
A: when
B: while
C: for
D: because
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