问题 选择题

— Hi, Vera, have you checked the account yet?

— Certainly, I ______ it five times even though you told me to do it twice.[ ]

A. checked    

B. will have checked    

C. have been checking    

D. had checked

答案

答案:A

单项选择题 A1/A2型题
单项选择题 A2型题