题目内容：

Seeing his father coming,the boy was very afraid and_______his head
a.dared not to raise
b.didn't dare to raise
c.didn't dare raising
d.dare not raising
选什么?为什么?
意思?

优质解答

B. dare do sth 的否定形式是dare not do sth. dare to do sth 的否定形式是 didn't dare to do sth. 两者意思是一样的.只是用法不一样.因此排除A, C, D三个选项.