21. — Jay Chou is in our city. Let’s go and watch his show this Saturday.
— That’s great, but I need to call my dad and ask for _________ before I go out.
| A．permission | B．protection | C．invitation | D．Explanation |
---As a result of the injury, he gave up the games.
---_____ He missed the chance to win a gold.
| A．It’s a pity. | B．Oh come on | C．Never mind | D．So what |
Please lock the door;______, bring the umbrella to me. It looks as if it is going to rain.
| A．as a result | B．in return | C．in addition | D．as well |
Success belongs to those who work hard. I firmly believe that, _____my own efforts, I can make it.
| A．showing off | B．leaving out | C．relying on | D．making up |
David, _____ I have been sharing a dorm for more than two years, is quite a funny guy.
| A．of whom | B．with whom | C．in whom | D．from whom |
--The mistake_____, I had been more careful.
---But you weren’t at that time.
| A．might have avoided | B．would avoid |
| C．would be avoided | D．might have been avoided |