问题描述：
请从语法角度说明原因
1.He fell down " ".A dead B died
2.Because the first pair of glasses did not fit properly,he asked for " ".A another pair B another ones
那为什么不能用ones代替pair of glasses 呢
1.He fell down " ".A dead B died
2.Because the first pair of glasses did not fit properly,he asked for " ".A another pair B another ones
那为什么不能用ones代替pair of glasses 呢
问题解答：
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