Mary ____ be in Paris . I saw her a few minutes ago .

You can never be_____careful ; the road is icy andslippery.

下列词语中加线的字,每对读音都相同的一组是(　　)

Do you know _____ the work last night—At about eleven， I think.

I can’t connect my computer to the Internet. There must be _______wrong with it.