how old,how long,how soon,how often,how far ,how many,how mu

问题描述：

how old,how long,how soon,how often,how far ,how many,how much是疑问副词吗?
也就是说How long are you going to arrive in/at?是错的，应该是How long are you going to arrive？
也就是arrive后不加介词？

1个回答分类：英语 2014-11-18