题目内容
Shanghai is about 1,460 km away from Beijing and it's nearly a ride by high-speed train.
A. six hours B. six-hour's
C. six-hour D. six-hours
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题目内容
Shanghai is about 1,460 km away from Beijing and it's nearly a ride by high-speed train.
A. six hours B. six-hour's
C. six-hour D. six-hours