The lesson drawn from the coal mine accidents is that safety measures are so important that we _____ take them too seriously.
| A．can’t | B．should | C．mustn’t | D．shall |
_________the freezing wind ,they_________ the injured man in time. They felt sorry for that.
| A．Had not been for ;could reach | B．If there was not; might have reached |
| C．But for; might reach | D．If there hadn’t been ; could have reached |
Last night the order came that all those infected with the deadly disease ________.
| A．was separated | B．should separate | C．be separated | D．were separated |
She insisted that she ______ not guilty , but we insisted that she ____ into prison
| A．was; be put | B．be ; was put |
| C．should be; was put | D．was; should put |
—May I tell this to my close friend?
—No, you . Never let anybody else know about it.
| A．needn’t | B．shouldn’t | C．mustn’t | D．can’t |
His way of speaking suggested that he ____ very angry.
| A．should be | B．be | C．is | D．was |
Most of the students felt rather disappointed at the English party. They say that it ______ better organized.
| A．had been | B．had to be | C．must have been | D．could have been |
_________ it rain, the crops would be saved.
| A．Will | B．Should | C．Would | D．Could |
-We want someone to design the new art museum for us.
______the young fellow have a try ?
| A．May | B．Shall | C．Will | D．Need |
—I wonder why Sara looks worried today.
—I'm not sure，but she a small accident driving here.
| A．could have | B．might have |
| C．might have had | D．must have had |