问题
单项选择题
In learning a foreign language, （） English, one should first pay attention to speaking, which is the groundwork of reading and writing.
A. says
B. say
C. to say
D. saying
答案
参考答案：B
解析：
say这里的意思是for example，是一种习惯用法，用作插入语，属于口头用语。