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小题1:You are late again. What’s your e____( 理由) for being late this time ? 小题2:Did you know who d____(发现) America? 小题3:It may be s______ (晴朗的) tomorrow. 小题4:Most people can greatly improve the q _____(质量) of life. 小题5:Many tall buildings have a____ (已经) been built in our city.