题目内容
— There is no spare chair in the meeting room. Do you still need any?
— Yeah,I think four _____ chairs are needed for the lecture this afternoon.
— Yeah,I think four _____ chairs are needed for the lecture this afternoon.
[ ]
A. dozen
B. dozens
C. dozen of
D. dozens of
B. dozens
C. dozen of
D. dozens of
A
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