—How much are the two pairs of shoes? —They are not expensive. I think fifty dollars eno

发布时间：2020-08-21 09:12:21

—How much are the two pairs of shoes?
—They are not expensive. I think fifty dollars      enough.
A. is
B. are
C. were
D. was

网友回答

(答案→)A. is
B. are
C. were
D. was
解析：金钱、时间和距离作为主语时，谓语动词用单数形式，故选A
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