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)17. Reading a large number of educational bool more we read, the more we know make us wiser. The A. must shou d C. need ()18 g s lalling down from the tall building -Dear me! It's too dangerous. A. Help yourself B. Look out C. What a pity. D ) 19. Doing eye exercises Shut up one of the most useful ways to protect our eyes. B are was )20.--Stop D. were your brother, Tom. He's busy studying I won't, M a talk B. to talk C. talk D. talked )21.Over$30,000 for a child y a British girl months ago Is raised C. will be been raised )22. Tim told us that his company robots to do some of the work instead of be ng B. will us C. has used D. would )23. As we all know, it to take photos in the museum A. doesn't allow B. isn't allowed C. hasn't allowed D. wasn't all )24.-Ben and Sue aren't in, are they? No. The to London on business. A. have gone B go have been D. will go )25. -You look sad, Betty. What's the matter with' you' I have to take english classes A. I've got the first prize B. I'm sorry to