He seems to be doing nothing, but _____ he is just waiting for his chance.A．actu_刷题宝

题干

He seems to be doing nothing, but _____ he is just waiting for his chance.

A．actually	B．gradually
C．frequently	D．certainly

上一题下一题 0.64难度单项选择更新时间:2012-11-02 12:15:53

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