Question

They ________ until the giant disappeared．

1. A.
   dare not come out
2. B.
   dared not to come out
3. C.
   dare not to come out
4. D.
   didn't dare to come out

Answer 1

D
dare如果被用作情态动词时其结构是dared not do sth；dare如果被用作实义动词时其结构是didn't dare to do sth。句中dare用作实义动词。