--Have you ever been here before?
---Well, I once _________ here for four years. Those days are really unforgettable.
| A．have stayed | B．had stayed | C．have been staying | D．stayed |
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 |
I can't avoid __________ her.
| A．seeing | B．to see |
| C．being seen | D．see |