单选题 —Where is Tom? Do you know?
—I think he ______ to the library.
  • A. has gone
  • B. goes
  • C. has been
【正确答案】 A
【答案解析】[解析] 语法分析题。本句用完成时态表示Tom已经去了图书馆，而且一直没回来。故A为正确答案。