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loving 9. She manded that the students ________ the classroom before she returned. A. didn’t leave B. wouldn’t leave C. needn’t leave D. not leave 10. How long do you think ________ the puter pany launches a new model? A. it will be before B. will it be until C. will it be when D. it will be that 能力提升 閱讀理解 There are many things people do with their spare you ever thought about tuning(調(diào)音 ) your own piano for fun and profit? Are you a piano teacher or player who really does not want the expense of hiring a piano tuner and feels that you could do it yourself with a little training? Well, this is your lucky you need are the right tools, a piano and patience. So, why would I want to tune my piano? There are many reasons for tuning your own piano. ?It is a very pleasant thing to do. ?You can make up to $80 each time tuning other people’s pianos. ?There are millions of pianos in the world and thousands of new ones are being sold every are not enough piano tuners available to tune them all. ?You can provide a valuable service for friends, family and others. ?You can teach yourself very cheaply and then develop it into a part173。 2. ____________, life would be quite different today. 如果沒有電,今天的生活就會完全不同。date B. man173。book in my website with all the information you need to get started tuning your own piano,