Paul had to write a history paper, he couldn’t find time to do it.A. butB. soC. becauseD.

发布时间：2020-08-16 16:44:02

Paul had to write a history paper,       he couldn’t find time to do it.
A. but
B. so
C. because
D. if

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(答案→)A. but
B. so
C. because
D. if
解析：考查连词：A. but但是，B. so因此，C. because因为，D. if如果，句意是：Paul得写一篇历史论文，但他找不到时间写。选A。
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