单选题 I go to the movies occasionally at the weekends.
  • A. now and again
  • B. frequently
  • C. once in a while
  • D. here and there


【正确答案】 C
【答案解析】occasionally和once in a while同义，表示“偶尔”；now and again：不时、有时；frequently；经常地、频繁地；here and there：到处、各处。