微信刷题,考证常用
  • 试题题型【单项选择题】
试题内容
I had too much work to do last night. I didn't go to bed _______ 11 o'clock.
  • A.in
  • B. until
  • C. for
  • D. on
  • 参考答案:B
  • 解题思路:until直到…才….我直到11点才睡觉。