Ⅰ. 单项选择 (30分)
( )1. [11·株洲中考]Gina loves singers ________ write their own music.
A. which B. who C. has worked
( )2. —Where’s the old blue bag?
—I’m not sure,but it ________ be thrown away. It ________ be somewhere in the house. I saw it yesterday.
A. mustn’t; must
B. mustn’t; can
C. can’t; must