a crowd of 是一个固定搭配,表示“一大群的”,后面通常跟“人”,比如:a crowd of + people(人)/visitors(游客)/passengers(旅客)/fans(粉丝);我们也可以用复数形态的crowds of来等同于 ...
正:There the children had a garden in which to play. (很正式)正:There the children had a garden in which they could play. (较正式)正:There the children had a garden to play in. (较口语化)注:这类“介词+关系代词++不定式”结构中的介词不能没有,也不能放...
更多内容请点击：如何用英语表达国庆期间“人山人海”?