My MP4 player isn’t in my bag.Where I have put it?
A.can B.must
C.should D.would
My MP4 player isn’t in my bag.Where I have put it?
A.can B.must
C.should D.would
A
考查情态动词。由句意“我的MP4不在我包里。我可能把它放哪儿了？”可知应选A。can have done过去可能做过而must have done“过去肯定做过”，只能用于肯定陈述句；should have done本应该做过（而事实上没做）；would have done只能用于虚拟语气。