--____do you visit your grandparents in the country every month?_Twice.(看问题补充)A.How many times B.How often 我知道选第二个,但我不知道他们两个的区别,对于像often,seldom,之类的用how often,这两个究竟可不可以互用,区别是什么?

问题描述:

--____do you visit your grandparents in the country every month?_Twice.(看问题补充)
A.How many times B.How often 我知道选第二个,但我不知道他们两个的区别,对于像often,seldom,之类的用how often,这两个究竟可不可以互用,区别是什么?