Our knowledge of computersgrowing all the time.A. beB. isC. areD. were

发布时间：2020-08-17 13:39:28

Our knowledge of puters    growing all the time.
A. be
B. is
C. are
D. were

网友回答

A. be
(答案→)B. is
C. are
D. were
解析：knowledge是不可数名词，作主语，谓语动词用单数。
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