单选题 You ______ take your tools in case some machines need repairing.
  • A. had better
  • B. would rather
  • C. would better
  • D. had rather


【正确答案】 A
【答案解析】[分析] had better表示“最好”，它的用法相当于一个情态动词。would rather表示“宁愿”，。