Our professor told us that salt water _____ at a lower temperature than fresh water. A. is freezing ...
2023-01-07 15:51:48 13次 河北省20092010学年高二下学期期中考试英语试题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Our professor told us that salt water _____
at a lower temperature than fresh water.
A. is freezing B. was
frozen C.
freezes D.
froze
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