国家开放大学 / 理工英语2
— I drove to Shenzhen for the air show last week.
— Is that _ _ _ _ _ you had a few days off?
A. which
B. that
C. why
— Is that _ _ _ _ _ you had a few days off?
A. which
B. that
C. why
参考答案：
佳题速递：