单选题 You (will) almost always (find) Caroline (playing) a video game because she enjoys (to be challenged).
  • A. will
  • B. find
  • C. playing
  • D. to be challenged


【正确答案】 D
【答案解析】改为being challenged。enjoy后接名词或动名词,根据该句句意enjoy后又应该是被动语态(喜欢被挑战),动名词的被动式就是being+过去分词。