难度：★    考点：代词

　　1. -Where is my pen? -Oh, sorry, I have taken________ by  mistake.

　　A. yours              B. mine             C. hers               D. his

　　2. My English is so poor, please help________ to improve it..

　　A.  me              B.  I        C. my                D. mine

　　3. I'll take_____of the cameras, one is for my brother, the other is for Jim.

　　A. either    B. both    C. all

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　　1【答案】A

　　2【答案】A

　　3【答案】B