Mary ____ be in Paris . I saw her a few minutes ago .
| A．mustn''t | B．shouldn''t | C．can''t | D．may not |
Being afraid of making mistakes, the little boy __________ answer his teacher's questions.
| A．does dare | B．doesn't dare to |
| C．daren't to | D．not dare to |
The president was so absorbed in his work that not a sound __________.
| A．did she dare to make | B．dared she to make |
| C．she dared make | D．she did dare to make |
She is a bit shy and __________ stand up and answer the teacher's questions.
| A．dares not | B．doesn't dare |
| C．dare not to | D．dares not to |
The little girl __________ go out alone at night.
| A．dared not | B．dares not |
| C．dare not to | D．doesn't dare to |
An unhappy childhood may have some negative effects on a person's character; however, they are not always __________.
| A．practical | B．avoidable |
| C．permanent | D．beneficial |