21.  —Do you play ________ violin in your free time?

—No, I like doing sports. I often play _______ table tennis with my classmates.

A. /, the                 B. the, /                   C. the, the

22. I didn’t finish my homework, ________ my teacher was very angry with me.

A. so                    B. but                    C. or

23. —I want to go to the supermarket to buy meat.

   —You don’t have to. There ________ still some meat in the fridge.

A. am                    B. is                     C. are