问题
选择题
—Do you often see John on the playground?
—No, but he is often seen the guitar in the park.
A. run; play B. running; to play C. run; to play
答案
答案：C
题目分析：句意：---你经常看见约翰在操场上跑吗？---不，他经常被看见在公园里弹吉他。看见某人做某事see sb. do sth. 当变成被动语态时，应该是 sth. be seen to do sth. 故选C.
