问题 选择题

-Miss Jones once _________ music at Bardon School for ten years and now is an actress.

-No wonder I often hear her sing in the garden. y

A.had taught

B.taught

C.is teaching

D.has been teaching

答案

答案:B

由后面的and now可以知道前面指的是过去的时间,表示对比。

单项选择题
单项选择题