题目内容
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 |
C
解析
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题目内容
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 |
C
解析