When Mary came, I on the piano.A.is playing B.plays C.was playing D.played
来源:网络
时间:
推荐文章

When Mary came, I _____ on the piano.
| A.is playing | B.plays | C.was playing | D.played |
试题答案
C
解析试题

When Mary came, I _____ on the piano.
| A.is playing | B.plays | C.was playing | D.played |
C
解析试题