问题
选择题
We must do the experiment carefully__________Miss Liu told us.
A．what
B．since
C．as
D．while
答案
C
as可表示方式，意为“按照，如，像”。
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We must do the experiment carefully__________Miss Liu told us.
A．what
B．since
C．as
D．while
C
as可表示方式，意为“按照，如，像”。