Question

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
解析：

might have done sth．(过去)可能做某事，should have done sth．本应该做某事。所提供的情境I’m late表明说话人可能把闹钟关上了，而不是本来不应该把闹钟关上而关上了。