Question

Sorry I’m late．I _________ have turned off the alarm clock and gone back to sle

Sorry I’m late．I _________ have turned off the alarm clock and gone back to sleep again．
A. might
B. should
C. can
D. will

Answer 1

答案A
may/might/must+have done表示对过去发生某事的猜测。本题易误选B，而should have done表示应该做而实际上没做，这和语意“我可能是把闹钟关掉后又睡了”是矛盾的，故应选A项。