i have no idear who stole his wallet.it ______anyone.A.could have been B.should have been C.must h
问题描述：
i have no idear who stole his wallet.it ______anyone.A.could have been B.should have been C.must h
答
A.could have been
我不知道谁偷了他的钱包,任何人都有可能.
could have been是虚拟语态.