题目内容

—Shall I wait here for three hours?
—Yes. Three hours ______for you to wait for such a doctor.
A.are not very long B.is not long enough
C.was not long enough D.will be too long
B

试题分析:句意:--我要在这里等3个小时吗?--是的,等医生三个小时对你来说不够长。主语是时间three hours,谓语用单数,而且enough修饰形容词long,所以选B。
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