Chinese is being more and more popular. It in many schools in foreign countries.
A. teaches
B. is teaching
C. is taught
D. has taught
网友回答
A. teaches
B. is teaching
(答案→)C. is taught
D. has taught
解析：根据第一句内容Chinese is being more and more popular.故第二空it为C
Hinese,故用被动语态，其结构为主语+be+过去分词，故选答案为C