第一班去波士顿的列车什么时间开出呢？

What time does the first train to Boston leave？

youdao

第一班去波士顿的列车什么时间开出呢？

What time does the first train to Boston!

youdao

第一班去波士顿的列车什么时间开出呢？

What time does the first train to Boston leave?

youdao

第一班去波士顿的列车什么时间开出呢？

What time does the first train to Boston leave?

youdao