It is the second time that I____ in Beijing A．amB．wasC．have beenD．had been_刷题宝

题干

It is the second time that I____ in Beijing

A．am

B．was

C．have been

D．had been

上一题下一题 0.64难度单项选择更新时间:2014-01-10 09:12:09

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