问题
选择题
The air holds the feather back more than it ___ the stone.
A．holds
B．do
C．has
D．does
答案
答案：D
动词替代用does代上文的holds,时态与谓语动词相响应.
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The air holds the feather back more than it ___ the stone.
A．holds
B．do
C．has
D．does
答案：D
动词替代用does代上文的holds,时态与谓语动词相响应.
