2)
a) We are playing...... b) What are you doing ..... c) music is great........... d) How often do you practice?
3)
a) I watched........ b) started......... c) she had.........
4)
a) I was studing last night. b) It was raining yesterday.
5)
a) I won't play tennis if I stay at home.
b) If my friend is at home he will come to my house.
6)
a) We have finished exercise 5
b) His teacher has given him................
7)
a) Compuner games are more expensive than board games.