how often does she visit her grandfather为什么要用howoften
问题描述:
how often does she visit her grandfather为什么要用howoften
答
how often 是对频率的提问词,相当于“多久一次”。
回答可以说: she visit her grandfather once a week .
答
意思是几次
答
how often 对频率提问,表示多久一次,所以用它.
答
表示频度,意思是“多久一次”