the first book written 为什么用 written
问题描述：
the first book written 为什么用 written
17.The first textbook written for teaching English as a foreign language came out in the 16th century.
答
The first textbook {written for teaching English as a foreign language} came out in the 16th century.先分析这个句子的结构,The first textbook came out in the 16th century.主谓都有,句子结构完整,written ...