问题
选择题
— How much__________the shoes?
—Five dollars__________enough.
A．is; is
B．are; is
C．are; are
D．is; are
答案
B
前一句主语shoes是复数名词，谓语动词用复数；后一句主语five dollars(五美元)是表示金钱的名词，作主语时谓语动词用单数。
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