时态语态4

问题描述:

时态语态4
4.-- You are dringking too much.
-- Only at home.No one _____ me but you.
A.is seeing B.had seenn C.sees D.saw
如果有have seen 可以选吗
还有这句话是no one做主语吗

是no one 做主语,不可以用have seen,因为no one是单数,不用have.第二是因为事态是现在时,不用完成时.