问题补充:
— Did you say goodbye to Anna?
— Yes .When I to say goodbye to her, she the piano.
A. go; is playing
B. went; played
C. goes ; was playing
D. went ; was playing
答案:
A. go; is playing
B. went; played
C. goes ; was playing
(答案→)D. went ; was playing
解析:此题重点考查一般过去时和过去进行时的基本构成和基本用法。