1. He kept his head water when he began to learn swimming, but he raised his head now and

发布时间：2020-08-16 06:09:37


1. He kept his head      water when he began to learn swimming, but he raised his head now and then
A. over
B. below
C. above
D. Up

网友回答

A. over
B. below
(答案→)C. above
D. Up
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