We must do the experiment carefullyMiss Liu told us.A. whatB. sinceC. asD. while

发布时间：2020-08-17 13:41:50

We must do the experiment carefully    Miss Liu told us.
A. what
B. since
C. as
D. while

网友回答

A. what
B. since
(答案→)C. as
D. while
解析：as可表示方式，意为“按照，如，像”。
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