- —What happened to Bill?—He ________ really fast when suddenly he ran into a parked car.A.had runB.was runningC.has...
- Linda felt someone ________ on her way home from work yesterday evening, and therefore she was frightened and looked ...
- —Have they got their new house painted yet?—I don't know. But I was told it ________ when I met them last week.A.had...
- —Can you tell me if Tom has finished his homework?—I've no idea. He ________ it this morning.A.has being doingB.had...
- The teacher and writer as well as some students something when we entered the room.A.discussedB.were discussingC.h...
- 短文改错John was visiting he 90-year-old grandpa, who lived in the country.In the first morning of the visit, Johngra...