【题目】---Miss Wang once ______art at Badon School for ten years and now is a singer.
---No wonder I often hear her sing in the garden.
A. has taught B. taught
C. is teaching D. teaches
【答案】B
【解析】
试题分析:句意:-----王小姐从前在巴顿艺术学校教了十年,现在是一名歌手。----难怪我经常听到她在花园里唱歌。根据once(从前)是过去的时间,需用过去式。故选B。