I wonder if I _____ smoke here.— No, you _____. You see, there is a “No Smoking” sign on the wall. [ ]

He was in the mountain for a year. He felt as if he was ______from the outside world. [ ]

You should when your parents aren’t at home.

Whendid you buy this still life picture一It wasin 1999 I traveled in Paris．

Are you going to the cinema this evening? —-No, the ticket is _____ for us