Lily goes to work by bus. I often see her when I walk _________the bus stop.

Have you been wasting time on cartoons again — __________. I’ve been working all the time and I need a break.

What’s the matter with John? He has been sitting there for hours. -A postcard from his fatheran attack of home-sickness in him.

________ by the problem that was put forward at the meeting，the people in the audiencehad ________ looks on their faces[ ]

“They have a lot to eat and drink.” It is a structure of________.