We have lived in Beijing ______ we came to China in 1989.A．sinceB．forC．beforeD．a_刷题宝

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We have lived in Beijing ______ we came to China in 1989.

A．since	B．for
C．before	D．as soon as

上一题下一题 0.85难度单选题更新时间:2019-07-26 10:00:44

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