单选题 The (people native) to the northwest coast of North American have long (be known) (for) wood carvings (of) stunning beauty and extraordinary quality.
  • A. people native
  • B. be known
  • C. for
  • D. of


【正确答案】 B
【答案解析】be known改为been known，have(long)been known为现在完成时的被动形式。