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a little(10)I will do my________ to learn English. My study is _____ and _____.(good)(10)I will do my________ to learn English. My study is _____ and _____.(good)时态复习：（1）My parents _______ our house in 2000. (buy) (2) What didyou do just now? I ______ lots of emails to my friends. (send)(3) Polly and Dolly __________ friends since last year. (be)best ,better betterboughtsenthave been