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题目内容
（国家开放大学理工英语21）
— I drove to Shenzhen for the air show last week.
— Is that _____ you had a few days off?
单选题 (10 分) 10分
A.
which
B.
that
C.
why
— Is that _____ you had a few days off?
单选题 (10 分) 10分
A.
which
B.
that
C.
why
参考答案