这个句子不对呀.She is looking for the book on cloning.The book is not in my hand.一个句子不能有两套动词.1.可以把两个句子改成并列句,She is looking for the book on cloning,but it isn't in my hand.1.改成...that做了什么成分啊？定语从句的引导词，在从句中作宾语。