That was the first time __________ I __________ face to face with the president.
| A．when ； had come |
| B．that ； have come |
| C．when ； came |
| D．that； had come |
________ him not to do so, he wouldn't have made such a serious mistake.
| A．If I persuaded | B．Did I persuade |
| C．Had I persuaded | D．If I should persuade |
—Look at the full moon. How beautiful it is!
—How I wish I ________ on it some day!
| A．were | B．am |
| C．would be | D．will be |
The school recommends parents ________ their children to swim in rivers or lakes during summer holidays.
| A．not permit | B．do not permit |
| C．mustn't permit | D．couldn't permit |
Martin hasn't been in touch with me for ages. He ________ my new cellphone number.
| A．needn't get | B．mustn't get |
| C．can't get | D．shouldn't have got |
If you won't do as I tell you, you ________ get the chance to be promoted because the competition is just too fierce.
| A．couldn't | B．mustn't |
| C．shouldn't | D．shan't |