单选题 We must find a solution ______ this problem by the end of this month.
  • [A] for
  • [B] at
  • [C] to
  • [D] with


【正确答案】 C
【答案解析】[名师精解] a solution to this problem 解决这个问题的办法，介词必须用to。
[解题秘籍] 英语中有些名词后面必须跟to，如：key to“……的关键”；dedication to “专注于……”；commitment to“致力于……”等。