5.at the exchange bank at the airport."汇兑银行"固定词.
6.growth = 名词(人口增长)
7.mathematics teachers = are 指复数(teachers); "mathematics" =本身是单数名词; 英语没有"mathematic"这字.
5.at the exchange bank at the airport."汇兑银行"固定词.
6.growth = 名词(人口增长)
7.mathematics teachers = are 指复数(teachers); "mathematics" =本身是单数名词; 英语没有"mathematic"这字.