—Mum, I'm tired.
—Well, if you ________ go to bed after midnight every night, what do you expect?
| A．will | B．may |
| C．should | D．can |
If you ____ there for a moment , I''ll tell the manager that you have come .
| A．wait | B．will wait | C．shall wait | D．waited |
— Please don''t make a noise . — ____ . I''ll be as quiet as a mouse .
| A．Yes , I won''t | B．No , I won''t | C．No , I''ll | D．Yes , I will |
. — ____ I know your name ? — Sorry , you ____ .
| A．May ; mayn''t | B．May ; can''t | C．Must ; mustn''t | D．Need ; must |
You ____ the meeting yesterday now that you were busy .
| A．needn''t have come to | B．needn''t come to |
| C．didn''t have to | D．don''t need to come to |
You ____ him . He will come to realize it some day .
| A．needn''t punish | B．should have punished |
| C．needn''t have punished | D．wouldn''t punish |