题目内容
-________ do you write to your parents?
-Once a month.
- A.How long
- B.How often
- C.How far
- D.How soon
B
how often常用来询问频率.
how often常用来询问频率.
练习册系列答案
相关题目
题目内容
-________ do you write to your parents?
-Once a month.