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？

题目详情

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？

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答案和解析

是的 .因为问的是How long（时间）,所以不用在arrive后不加介词.

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