您现在位置:模拟考场> 湖北成人高考> 专升本> 大学英语> 浏览试题
[单选题][单选题] The people are fully aware __ theyhave before them problems difficulties of various kinds.
  • Aof that
  • Bwhat
  • Cthat
  • Dwhich
  • 收藏 查看答案