--Hi, Tracy, you look tired. --I am tired. I________ the living-room all day.
Everyone was on time for the meeting_____ Chris, who’s usually ten minutes late for everything.
The man we followed suddenly stopped ad looked as if_____whether he was going I the right direction.
—I want to go to the library but I am afraid I am not in the right . —_____. Go ahead.
—Would you rather come on Friday or Saturday? —_____.
—Did you look up the time of trains to Shanghai? —Yes, the earliest train is_____to leave at 5:30 am.