I went to your house yesterday afternoon, but you were not in.— Sorry. I _______ basketball with my classmates.
The Sutong Highway Bridge, a__________ bridge, is open to traffic.
Could you tell me what time the train leaves Hefei for Beijing?—I’m afraid you need to ______on the Internet.
We knock _____people’s doors, and they usually give us some candy ______ a treat.[ ]
Tom, could you help with my English?— Sure. When shall we start?