His health is ______improving. I'm sure he will come back to work soon.A．gradual_刷题宝

题干

His health is ______improving. I'm sure he will come back to work soon.

A．gradually

B．frequently

C．fluently

D．finally

上一题下一题 0.64难度单项选择更新时间:2013-11-13 10:57:00

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