About 20 percent of the work done yesterday.A. areB. isC. wereD. was

发布时间：2020-08-16 07:30:10

About 20 percent of the work     done yesterday.
A. are
B. is
C. were
D. was

网友回答

A. are
B. is
C. were
(答案→)D. was
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