单选题 Children are usually ______ about things around them.
  • [A] popular
  • [B] eager
  • [C] curious
  • [D] worried


【正确答案】 C
【答案解析】[A]popular和[B]eager不能与about搭配。[D]worried成了被动语态，显然也不对。所以选C。be curious about意思是对…好奇。