The work be finished in such a short time . A. wasnt able toB. couldntC. ought D. co

发布时间:2020-08-17 13:37:40

The work      be finished in such a short time .
A. wasn''t able to
B. couldn''t
C. ought
D. could

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A. wasn''t able to
(答案→)B. couldn''t
C. ought
D. could
解析:be able to 不接被动语态。表示过去“能够”,could 只能用于否定句,故 could 不正确。
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