He failed in the English speech contest, he did his best to prepare for it.A. thoughB. bu

发布时间：2020-08-21 03:15:52

He failed in the English speech contest,      he did his best to prepare for it.
A. though
B. but
C. because
D. so

网友回答

A. though
(答案→)B. but
C. because
D. so
解析：题中句意，转折应用but
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