国家开放大学 / 理工英语2
— Excuse me. Can you spare me a few minutes?
— _ _ _ _ _ _ _ _
A. What’s on?
B. What’s up?
C. What is it?
— _ _ _ _ _ _ _ _
A. What’s on?
B. What’s up?
C. What is it?
参考答案：
佳题速递：