7. I when there came a knock at the door.
| A．am going to bed | B．just about to go to bed | C．was about to go to bed | D．have gone to bed |
When I first arrived ________San Francisco,I had a difficult time ________certain aspects of the American way of doing things.
| A．at;to understand | B．in;to understand |
| C．in;understanding | D．at;understanding |
After the long journey, the three of them went back home, _________.
| A．hungry and tiredly | B．hungrily and tiredly |
| C．hungry and tired | D．hungrily and tired |
— Are you going to the football game?
— No, the tickets are ______expensive for me.
| A．very much | B．too far |
| C．too much | D．much too |
You may use the room as you like ____ you clean it up afterwards.
| A．so far as | B．as if |
| C．so long as | D．even if |
— I saw a lovely alien(外星人) near the New Bridge Airport last week?
— _______ There is no such kind of creature at all.
| A．Really? | B．Pardon? |
| C．Oh, come off it! | D．Got it! |