为什么two fifths of the population后加are,而two fifths of the land后加is?不是population不可数的吗
问题描述:
为什么two fifths of the population后加are,而two fifths of the land后加is?不是population不可数的吗
答
为什么two fifths of the population后加are,而two fifths of the land后加is?不是population不可数的吗