句型转换。
1. Can I help you? (同义句)
______ can I ______ for you ?
2. The black hat is eight dollars.(对划线部分提问)
______ ______ is the black hat?
3. She likes yellow shorts. (变成否定句)
She ______ ______ yellow shorts.
4. His pen friend is twelve. (对划线部分提问)
______ his pen friend?
5. The sweater is ¥60. (同义句)
The _____ ______ the sweater is ¥60.