Our school had about 20 notebook computers but only one-forthused regularly. Now we have 5

发布时间：2020-08-17 12:12:21

Our school had about 20 notebook puters but only one-forth    used regularly. Now we have 50 working all day long.
A. is
B. are
C. was
D. were

网友回答

A. is
B. are
C. was
(答案→)D. were
解析：考查主谓语的一致性原则和省略句式。依据one-forth (of the puters)可知。
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