841._________ this afternoon,you would have to come again next week.
A.The boss didn't return
B.The boss were not to return
C.Were the boss not to return
D.Didn't the boss return
842.Don't you want to got ot a karaoke bar with us?
I wish I ______,but I have an appointment.
A.may
B.could
C.can
D.should
841.答案是C;此题为与将来事实相反的虚拟语气的省略倒装句。
842.答案是B;wish后接宾语从句，须用虚拟语气，表示与将来事实相反，谓语用would/could/might+do;与现在事实相反，谓语用过去时，与过去事实相反，谓语用过去完成时。
