The fire went on for quite some time _______ it was brought under control.
| A．when | B．since |
| C．after | D．before |
--Where have you been?
--I in the heavy traffic. Otherwise I here earlier.
| A．got stuck; would have come | B．got stuck; was |
| C．have got stuck; would have come | D．had got stuck; would come |
But for the leadership of our Party and our Government, we __________ these splendid results.
| A．have achieved | B．shouldn’t have achieved |
| C．should have achieved | D．would achieve |
John’s pale face suggested that he ______ill, and his parents suggested that he ______a medical examination.
| A．be, should have | B．was, have | C．should be, had | D．was, has |
It is vital that we _____ act out at once to protect the environment.
| A．would | B．should | C．will | D．can |
—Any information about your son?
—No. If only I ______ those tough words to him.
| A．didn't say | B．hadn't said |
| C．shouldn't have said | D．couldn't have said |