—What are you doing? —I'm      the key to the door.

A. finding out       B. looking after    C. looking for

—What are you doing Simon?

—I have finished my homework, and now I　 the computer games.

A .played B. was playing C. am playing D. play

—What are you doing?

—I’m ________ TV.

A. watching　　　　　 B. watches　　　　　　　 C. watched