The new method works very well. So far，everything has been going on _________tha

题干

The new method works very well. So far，everything has been going on _________that we don't need to worry.

A．too completely

B．so completely

C．too smoothly

D．so smoothly

上一题下一题 0.4难度单选题更新时间:2019-05-06 09:06:34

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