问题
选择题
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
答案
答案：B
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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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
答案：B
one做先行词时关系代词that,且做主语that不可以省略。