The students hardly dared to ask their teacher a question,__?A.did they B.dared they 为什么选A不选B

问题描述:

The students hardly dared to ask their teacher a question,__?
A.did they B.dared they 为什么选A不选B

因为dare作情态动词用是不应该加d的,但这里是dared to ask说明是当动词用,当然用did they?