题目内容
-Do fish sleep? I think they’re swimming around .
-Of course they sleep. But they sleep with their eyes open.
A. all the same B. all the time
C. at that time D. at the same time
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题目内容
-Do fish sleep? I think they’re swimming around .
-Of course they sleep. But they sleep with their eyes open.
A. all the same B. all the time
C. at that time D. at the same time