That day o got home so early that my family were still ___.

How long ________they_________ —Sorry, I don’t know. But I know that Mr. Chen is going to _______a nurse next month.

I know smoking is bad for my health， ____ I just can’t give it up.— It is easier said than done.

What’s the matter,Mary? You look ________!-My wallet is nowhere to be found,and my identification card (身份证) is in it.[ ]

______ on the top of the tower, and you can see the whole city.