do的名詞是什么意思

　　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(xiàn)在就可以做這事。

　　We do not have any more information at the present time.

　　目前我們沒有進一步的消息。

　　What in the world did they think they were doing?

　　他們到底認為自己在做什么？

　　One major problem did present itself, though.

　　不過，確實出現(xiàn)了一個重大問題。