--- Would you mind if I turn on the radio and listen to some music?
--- ________. In fact, I also like to listen to music in my car.
| A．No, go ahead | B．Yes, I would |
| C． No, you can’t | D．Yes, no problem |
It was not until the teacher had explained it three times _______ how to work out the problem.
| A．did he understand | B．had he understood |
| C．that he understood | D．that he didn’t understood |
Only after my friend came ____.
| A．did the computer repair | B．he repaired the computer |
| C．was the computer repaired | D．the computer was repaired |
Dickson left his father’s firm and ____business on his own.
| A．started out | B．launched into | C．began on | D．worked at |
There is no doubt _______international cooperation is the key to dealing with cyber crime.
| A．then | B．that | C． wheather | D．this |
Considering your salary, you should ________ at least 100 dollars a week.
| A．put up | B．put forward | C．put aside | D．put out |