问题

I should not have laughed if I ______ you wereserious
A:had fallenasleep
B:have fallen asleep
C:fellasleep
D:fall asleep
B:have fallen asleep
C:fellasleep
D:fall asleep
正确答案是:
同类题型
The number of the volunteers in our city_____2,000 .And sixty percent of them teachers and students.
Theislandisattractiveinspringandautumnbecauseofthepleasantweatherinboth seasons [ ]
My grandma _________ Chinese food ________Western food.
,the wind died down and people began to appear on the street