来自杜建强的问题
求英语一题.要分析.一个名词性从句的问题Doyouknow_____AhowmanypopulationsthereareintheworldBhowmuchpopulationthereisintheworldchowmanythepopulationoftheworldDwhatthepopulationoftheworldis
求英语一题.要分析.一个名词性从句的问题
Doyouknow_____
Ahowmanypopulationsthereareintheworld
Bhowmuchpopulationthereisintheworld
chowmanythepopulationoftheworld
Dwhatthepopulationoftheworldis
