微信刷题,考证常用
  • 试题题型【单项选择题】
试题内容
Children wake up very early ____the morning of Christmas Day.
  • A. in
  • B. on
  • C. for
  • D. at
  • 参考答案:B
  • 解题思路:在具体的某一天的早上用介词on