单选题 Library members ______ to use the computers on the first floor should register at the front desk.
  • (A) want
  • (B) wanting
  • (C) wanted
  • (D) to want


【正确答案】 B
【答案解析】[结构+分词]形容词位置，表主动的现在分词
[错误答案] 切忌明白文章结构之前，就轻率地选择(A)want作为答案。