.The plane ＿＿＿＿＿ at 7：00 p.m., so I have to be at the airport by 6：40 at the latest.
| A．has left | B．is to leave |
| C．will have left | D．leaves |
—I wonder why Mary is so unfriendly to us.
—She is ________ than unfriendly, I’m afraid.
| A．shyer | B．much shyer | C．shy more | D．more shy |
To our surprise the stranger _____ to be an old friend of my mother’s.
| A．turned out | B．turned up | C．set out | D．set up |
____ from endless homework on weekends, the students now find their own activities, such as taking a ride together to watch the sunwise.
| 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 |