Tom is very good at science, his brother is absolutely hopeless.A. WhenB. WhileC. AsD. If

发布时间：2020-08-16 08:06:36


    Tom is very good at science, his brother is absolutely hopeless.
A. When
B. While
C. As
D. If

网友回答

A. When
(答案→)B. While
C. As
D. If
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