1 think we'd better keep to the subject, ______we'll waste our time．A．andB．orC．b_刷题宝

题干

1 think we'd better keep to the subject, ______we'll waste our time．

A．and

B．or

C．but

D．so

上一题下一题 0.64难度单项选择更新时间:2015-08-25 04:51:47

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