A number of sheep seen by us when we passed the field..A. isB. areC. wasD. were

发布时间：2020-08-16 12:37:34

A number of sheep      seen by us when we passed the field..
A. is
B. are
C. was
D. were

网友回答

A. is
B. are
C. was
(答案→)D. were
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