Bob ________ with us together since he came to our school.A．have workedB．has wor_刷题宝

题干

Bob ________ with us together since he came to our school.

A．have worked

B．has worked

C．worked

D．will work

上一题下一题 0.64难度单项选择更新时间:2013-03-28 03:25:20

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