I’m moving to the countryside because the air there is much fresher than ____ in the city．
| A．ones | B．one | C．that | D．those |
Jack wasn’t saying anything, but the teacher smiled at him ___ he had done something clever.
| A．as if | B．even if |
| C．while | D．though |
Fitness is important in sport, but skills are of at least（至少） ______ importance.
| A．fair | B．reasonable |
| C．equal | D．reliable |
-- Why have you bought so much food?
-- My good friends _______ to stay with me for the weekend.
| A．come | B．were coming |
| C．are coming | D．had come |
His father told me that he ______ for the United States three days ______.
| A．has left; before | B．had left; ago |
| C．left; ago | D．had left; before |
Don’t mention that at the beginning of the story, or it may _______ the shocking end.
| A．give away | B．give out |
| C．give up | D．give in |