When I opened the door, I found my father sitting in his chair, completely _______ in the humorous stories he was reading.
---Would you mind me opening that door? ---_____ , but it’s not allowed.
The roads are crowded _____ walking is quicker than driving.
---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.