用 drop litter造句

用 drop litter造句 用drop out 造句 Don't drop litter anywhere. Don't drop litter e______ drop litter every where翻译 drop litter和leave litter的区别是什么 drop litter in a public place翻译 Don't _______(care) drop litter The litter boy needs to drop medicine. litter可以怎样造句? I'm litter water drop （litter water drop画线）对划线部分提问 请问drop litter和throw litter ,throw litter about 的区别, 谢谢!