有关高中英语倒装句的问题
1.No sooner ____ asleep than she heard a knock at the door
A.had she fell B.had she fallen
为什么要用过去分词而不用过去式?
2.____ ,Mother will wait for him to have dinner together
A.However late is he B.However he is late
C.However is he late D.However late he is