52单词网 > 高中英语 > 高中英语题库 > 单句改错. When studied in the USA, they traveled a lot.

单句改错. When studied in the USA, they traveled a lot.

来源:网络 时间:
单句改错. When studied in the USA, they traveled a lot.

单句改错。

When studied in the USA, they traveled a lot.

试题答案

答案:

解析:

studied改为studying