Many students signed up for the race in the sports meeting to be held next week．
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Many students signed up for the ________race in the sports meeting tobe held next week．
A．800-metre-long B．800-metres-long
C．800-metres-length D．800-metre-length
试题答案
答案：A
解析：| 此处考查“数字－单数名词－形容词”构成的复合形容词作定语，其中单位名词用单数，表示长短宽深用形容词。
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