do開頭的一般疑問句

1.Do you speak English?2.Do you have the flight number?3.Do you want to make a call?

Do例句

Do it yourself ─ I don't have time.

你自己做吧——我沒時間。

I could do it now, if you like.

如果你愿意的話，我現在就可以做這事。

What in the world did they think they were doing?

他們到底認為自己在做什么？

He would do well to concentrate more on his work.

他最好還是更加集中精力在工作上。

One major problem did present itself, though.

不過，確實出現了一個重大問題。