【2012北京】1. I ____ Mr. Smith since he moved to Shanghai.
A. didn’t hear from B. don’t hear from
C. won’t hear from D. haven’t heard from
【2012北京】2. Today, computers are really helpful. They ____ everywhere.
A. use B. are used C. used D. were used[中~國#教育出版網(wǎng)^&%]
【2012甘肅雞西市】3. My grandpa is sleeping. Will you please_____the radio?
A. turn down B. turn up C. turn on
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