As we all know, he has regretted wasting the precious time when he studied hard playing computer games at school.
| A．should have | B．would have | C．might have | D．must have |
—I wonder how much you charge for your services.
—The first two are free the third costs $30.
| A．while | B．until | C．when | D．before |
25. ______ all of you are top students, only one will be chosen for the coming competition.
| A．While | B．Since | C．If | D．As |
Sally worked late in the evening to finish her report __________ her boss could read it first thing next morning.
| A．so that | B．because | C．before | D．or else |
（年山东日照市高三校际联合检测）9．He didn’t tell his wife about buying a new car for her_____he could give her a big surprise on her birthday．
| A．so that | B．even though | C．as if | D．in case |
How is everything going on with you in the UK?
— Quite well. Not so smoothly as I hoped, _____.
| A．instead | B．though | C．either | D．too |