. He was not brave. He jump down from the roof.A. dare not B. dared notC. dares not D. da

问题补充：

. He was not brave. He jump down from the roof.

A. dare not

B. dared not

C. dares not

D. dare not to

答案：

A. dare not

(答案→)B. dared not

C. dares not

D. dare not to

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