She was disappointed that most of the guests ___when he ___ at the party.
| A．left, had arrived | B．left, arrived | C．had left, had arrived | D．had left, arrived |
——Do you mind if I smoke?
——____
| A．Why not? | B．Yes, help yourself | C．Go ahead | D．Yes, but you’d better not |
——So you missed the meeting.
——____. I got there five minutes before it finished.
| A．Not at all | B．Not exactly | C．Not especially | D．Not really |
____ from endless homework on weekends, the students now find their own activities, such as taking a ride together to watch the sunrise.
| A．Freed | B．Freeing | C．To free | D．having freed |
Young as he is, David has gained ____ rich experience in ____ society.
| A．the; the | B．a; 不填 | C．不填；不填 | D．不填；the |
We had a really bad time about six months ago but now things are ____.
| A．looking up | B．coming up | C．making up | D．turning up |