中文谷Heisverybusy,
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问题详情：
He is very busy, _____he still tries his best to help us.
A. and B. or C. but D. so
【回答】
C
知识点：连词
题型：选择题
标签：
Heisverybusy
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问题详情：
He is very busy, _____he still tries his best to help us.
A. and B. or C. but D. so
【回答】
C
知识点：连词
题型：选择题
