We_never_the boys beforeA.has;seen B.have;seen C./;saw D.did;see

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We___never___the boys before
A.has;seen B.have;seen C./;saw D.did;see

We=我们要用have;
have never seen现在完成式
所以选B

We___never___the boys beforeA.has;seen B.have;seen C./;saw D.did;see :boy: boy boy boy boy I love 有like boy boy boy noon 是哪首歌 Good Boy Yellow boy yellow boy sunny boy Baby boy handsome boy boy是什么意思? boy next boy是什么意思 lookin boy boy friend party boy boy是什么意思