单选题 Do they have ______ air-conditioners for cooling the rooms in hot seasons?
  • [A] many a
  • [B] enough
  • [C] a great deal of
  • [D] a hit of


【正确答案】 B
【答案解析】[名师精解] air-conditioners为可数名词复数，many a后只能加可数名词单数，a great deal of与a bit of只能加不可数名词，所以用enough，选B。
[解题秘籍] enough可与可数和不可数名词连用。