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My sister _____ Tony for ten years next year.
—Daddy, can you buy me a new MP3 when you go to Beijing? —You ______ get one if you are admitted to a key middle school.
Great changes _____ in China in the past 30 years and many Chinese are living a happy life today.
Unfortunately, the couple _______ after years of quarrels .
This book _____ ten units, ______ three mainly revision.