(   )1.  A. For ten years ago.        B. For ten years.        C. Since ten years.

(   )2.  A. We are so sorry.         B. No,thanks.           C. Yes,please.

(   )3.  A. It’s my own thing.       B.That’s too cheap.      C. I don't think so.

(   )4.  A. I’ll see a doctor.         B. I’ll see my teacher..    C. I’ll go hiking.

(   )5.  A. Since two years ago.     B. Two years ago.        C. For two years.