纯文本文档的扩展名为TXT。
参考答案:对
The girl arranged to have piano lessons at the training center with her sister ________ she would stay for an hour.
A.where
B.who
C.which
D.what
A government official was murdered last Friday and the police are collecting information that is to the case.
A.similar
B.devoted
C.relevant
D.addicted