You have ( ) seen an elephant,have you?A.never B.ever C.yet D.already

问题描述:

You have ( ) seen an elephant,have you?A.never B.ever C.yet D.already

never
因为后面的反义疑问句是肯定形式,所以前面应是否定句,只有never(从没有)可以使句子变成否定句.