Question

—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

Answer 1

C

试题分析：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.