问题
选择题
—I drove to Shanghai for the 2010 Expo last week.
— Is that_____ you had a few days off?
A．because
B．why
C．what
D．where
答案
答案：B
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—I drove to Shanghai for the 2010 Expo last week.
— Is that_____ you had a few days off?
A．because
B．why
C．what
D．where
答案：B