问题描述：
一道连定语从句的题目
The train was late.
She was travelling on the train.
详细说明下怎么改?
The train was late.
She was travelling on the train.
详细说明下怎么改?
问题解答：
我来补答展开全文阅读
问题描述：
问题解答：
我来补答