it usually takes us fifteen minutes ____home 1.walk 2.to walk 3.walk to 4.to walk to
问题描述：
it usually takes us fifteen minutes ____home 1.walk 2.to walk 3.walk to 4.to walk to
答
选2
take sb st to do sth.花费某人多少时间去做某事
home作为副词使用,不加介词