A-A+
The alarm clock didnt ring this morning. You______it last night.A.need to have forgotten t
问题详情
The alarm clock didnt ring this morning. You______it last night.
A.need to have forgotten to wind
B.may have forgotten winding
C.ought to have forgotten to wind
D.must have forgotten to wind
请帮忙给出正确答案和分析,谢谢!