He ________ the exam, but he was too careless.
| A．could have passed | B．couldn’t have passed |
| C．must have passed | D．may have passed |
—It rained cats and dogs this morning. I'm glad we took an umbrella.
—Yeah, we would have got wet all over if we ________.
| A．hadn't | B．haven't | C．didn't | D．don't |
Grace doesn’t want to move to New York because she thinks if she _____there ,she wouldn’t be able to see her parents very often.
| A．lives | B．would live | C．has lived | D．were to live |
Had it not been for the haze（霾）weather phenomenon, there fewer car accidents in Beijing then．
| A．would have been | B．were |
| C．may be | D．would be |
I suggest that he _____, or else he could make things worse.
| A．calm down | B．calms down |
| C．will calm down | D．calming down |
--- Shall we take the 10:20 train?
--- No. If we took that train, we too late.
| A．arrive | B．arrived |
| C．will arrive | D．would arrive |
I suggested to my mother that she a drawing club after her retirement form teaching.
| A．join | B．joins | C．joined | D．would join |
—Need I accomplish all we have set out to do?
—Yes, you ____; otherwise you ____fired.
| A．need; would have been | B．may; need have been |
| C．can; mustn't have been | D．must; would be |
It would be impossible for him to leave hospital tomorrow if he first aid when the accident happened.
| A．hadn’t been given | B．wasn’t be given |
| C．shouldn’t be given | D．wouldn’t be given |