There is no doubt that _________ a goal, one needs not only knowledge but also good personalities.
| A．achieve | B．achieving |
| C．to achieve | D．achieved |
Jape is two hours late. What _____?
| A．can have happened | B．can happen |
| C．should have happened | D．should happen |
–We didn’t see Tom at the lecture yesterday.
–He _____ it. He had attended the same lecture before.
| A．mustn’t attend | B．can’t have attended |
| C．would have not attended | D．needn’t have attended |
You _____ the flowers more water so that they can grow well now.
| A．would have given | B．might have given |
| C．must have given | D．should have given |
You _____ across the road without looking round; you _____ down by a car.
| A．shouldn’t run, might have been knocked |
| B．shouldn’t have run, might have been knocked |
| C．mustn’t run, could have been knocked |
| D．mustn’t have run, could be knocked |
–Did Ken take the job in the bookstore?
–No, but I think he _____.
| A．will have | B．may have | C．should have | D．must have |