根据要求完成句子
（1）He is interested in collecting picture cards.(改为同义句)
He _______  _______ picture cards.
（2）My grandpa is fishing.(改为一般疑问句)
______  ______ grandpa fishing?
（3） Her mother’s hobby is cooking meals.(对划线部分提问)
______ her mother’s hobby _____ meals?
（4） What a beautiful girl!(改为同义句)
______  ______ the girl is !
（5）They are reading books.(对划线部分提问)
______ are they _____?