根据要求完成下列句子I've read the book from------(begin)to end(用正确形式填空

根据要求完成下列句子I've read the book from______(begin)to end(用正确形式填空）为了在7点半之前赶到机场,你明天应该早起.（翻译句子）______ ______ ______ _______to the airport before tomorrow,you should get up earlywhy don't you help clean the classroom?(改为同义句）why ______ ________clean the classroom?