Even Tony’s six-year-old son asked him ______ smoking．

I did not see your sister at the meeting. If she , she would have met my brother

－Let’s ________ fruit salad for lunch.－OK, good idea.

How is your son in the new school?—At first ,he felt uncomfortable, but he soon learned to .

Excuse me , do you know where Jane is—I’m not sure. She _________ be in the garage.