写出下列句子的同义句.（1）what‘s the price of your english book?__ __is your english book?
（2）my bike is broken.
____is ____ with my bike.
（3）i must look after my mother from morning to night.
i must look after my mother____ _____.
（4）can i help you?
what ___ i ___for you?
（5）what a beautiful girl her sister is!
____ _____the girl is!