情态动词问题：No one ____ that to his face.A.dare to say B.dares sa

情态动词问题：No one ____ that to his face.A.dare to say B.dares say C.dares saying D.dare say
1.No one ____ that to his face.（这里的dare是情态动词还是实意动词?怎么分辨啊）
A.dare to say B.dares say C.dares saying D.dare say
2.----We didn't see him at the lecture yesterday.
----He ____ it.
A.mustn't attend B.cannot have attended C.would have not attended D.needn't have attended
3.You ____ your lessons yesterday,but you didn't.
A.had gone over B.should have gone over C.should go over D.would go over
4.It was so dark outside that he _____ .（同第一题）
A.didn't dare to go out to fetch water B.dare not to fetch water