Many of them ignored his advice, _______ they knew it to be very useful.A．as ifB_刷题宝

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Many of them ignored his advice, _______ they knew it to be very useful.

A．as if	B．because of
C．even though	D．so that

上一题下一题 0.64难度单项选择更新时间:2015-01-05 08:04:49

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