My wallet is gone.I can't find it in my room,You__it in the wrong place A.may have put B.

问题描述:

My wallet is gone.I can't find it in my room,You__it in the wrong place A.may have put B.
should have putC.might putDmust put讲明一下为什么

A.该题考查的是情态动词表推测,根据语气肯定程度可选用may/might(也许,可能)或must(一定),又因为放钱包是过去的动作,所以情态动词后要用have put.