Betty kept silent at first _______ soon she joined the other girls, chatting and laughing._刷题宝

题干

Betty kept silent at first _______ soon she joined the other girls, chatting and laughing.

A：so

B：but

C：or

D：because

上一题下一题 0.0难度选择题更新时间:2014-06-26 09:24:22

答案(点此获取答案解析）

B

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