题目内容
This is a __________ river. It will be very dangerous if you swim in it.
A. 60 meters deep B. 60-meters-deep
C. 60-meter-deep D. 60 meter deep
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题目内容
This is a __________ river. It will be very dangerous if you swim in it.
A. 60 meters deep B. 60-meters-deep
C. 60-meter-deep D. 60 meter deep