康妮：以前你去过美国吗？

Connie: Have you been to the United States before?

youdao

以前你去过美国吗？

Have you been to the United States before?

youdao

朱民：你访问美国，对吗？去过哈佛、耶鲁还有其他的大学，哪所大学是你比较喜欢的？

Zhumin: you visited the states right? And you visit the Harvard Yale and few other schools. Which is your favorite?

youdao

朱民：你访问美国，对吗？去过哈佛、耶鲁还有其他的大学，哪所大学是你比较喜欢的？

Zhumin: you visited the states right? And you visit the Harvard Yale and few other schools. Which is your favorite?

youdao