题目内容
A feather falls slower than a stone only because the air holds the feather back more than it ______ the stone.
A.does | B.holds | C.will | D.is |
A
解析
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题目内容
A feather falls slower than a stone only because the air holds the feather back more than it ______ the stone.
A.does | B.holds | C.will | D.is |
A
解析