“How did you get to my office so quickly?”---____ bus.
---Did your car break down again this morning? ---Yes.That’s ____ I was late.
You must do your homework now; you ___ basketball all the evening.
As I will be away for at least a year, I’d appreciate ____ from you now and then, _____ me how everyone is getting along.
I’d like ___ on a trip to Tibet while he prefers ___ to Guilin.
---Are you still very busy? ---Yes, I _____ the report for the manager and it won’t take long.