摘要：33．The first set of textbooks for teaching English as a foreign language came out in the 16th century. A. written B. had been written C. to be written D. was written
网址：http://m.1010jiajiao.com/timu3_id_2584264[举报]
The first set of textbooks________ for teaching English as a foreign language came out in the 16th century.
A. written B. had been written C. to be written D. was written
The first set of textbooks_____ for teaching English as a foreign language came out in the l6th century.
A. written B. had been written C. to be written D. was written