If you __________ early tomorrow morning, you would be there by noon.
| A．have started | B．were start | C．were to start | D．had started |
Not until he left his home __________ to know how important the family was for him．
| A．did he begin | B．had he begun | C．he began | D．he had begun |
The reason __________ he explained is not __________ I expected．
| A．why; that | B．why; what | C．that ;what | D．that; that |
--- Do you enjoy your present job?
--- _________．I just do it for a living．
| A．Of course． | B．Not really | C．Not likely | D．Not a little |
Everyone in our class was working hard and doing what we could _______ a good university．
| A．enter | B．to enter | C．entering | D．entered |
It rained heavily in the south, ___________ serious flooding in several provinces．
| A．caused | B．having caused | C．to cause | D．causing |