­­ all the pupils in the school felt the same effect of small classes remains to b

发布时间：2020-08-16 06:29:19

­­     all the pupils in the school felt the same effect of small classes remains to be researched.
A. That
B. Whether
C. What
D. If

网友回答

A. That
(答案→)B. Whether
C. What
D. If
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