.They have their reasons for keeping their marriage___ secret for ___ moment.
| A．the; a | B．the; the | C．a; the | D．a; a |
— ____ . 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 |
She ____ on her homework in her study now .
| A．must work | B．can work | C．must have worked | D．must be working |