When you go by train, make sure you take an express, stops only at big stations.A. one B.

发布时间：2020-08-14 23:28:33

When you go by train, make sure you take an express,      stops only at big stations.
A. one
B. one that
C. that
D. what

网友回答

A. one
(答案→)B. one that
C. that
D. what
解析：one做先行词时关系代词that,且做主语that不可以省略。
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