(   )1.A. That sounds good.        B. The video is boring.    C. No, you can’t.

(   )2.A. Please don’t thank me.    B. You are welcome.      C. Sure.

(   )3.A. I’m watching TV.         B. I’m a student.         C. He is working.

(   )4.A.She works in a post office.   B. They are doing housework.

C. They are doctors.

(   )5.A. I’m writing a letter.         B. They are playing basketball.

C. She is in the library.