句型转换 (共10分，每空1分)
Is this your book?(改为复数形式)
_______ _______ your books?
She parks her bike in front of the supermarket. (变为否定句)
She ______ ______ her bike in front of the supermarket.
The students put their things in their lockers.(对划线部分提问)
_______  _______ the students put their things?
You can’t listen to music in the library.(变为否定祈使句)
______ ______ to music in the library.
The boy on the blue bike is my cousin. (对划线部分提问)
_________ _________ is your cousin?