国家开放大学 / 管理英语1
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— It takes about 3 hours .
A. How long will the journey take ?
B. When will your train arrive?
C. How often do you take a train?
— It takes about 3 hours .
A. How long will the journey take ?
B. When will your train arrive?
C. How often do you take a train?
参考答案：
佳题速递：