Little Tommy was reluctant to tell the schoolmaster _____ he had done the day before.
| A．that | B．how | C．where | D．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 |
---Excuse me, is this seat______?
---yes. Go ahead.
| A．occupied | B．flexible | C．temporary | D．vacant |