1. 
1. was walking   2. were having   3. were playing   4. were dancing   5. were wearing   6. were singing   	7. were eating   8. drinking   	9. were laughing

2. 
1. were camping   2. was raining   3. was blowing   4. was putting    5. was making   6. was cooking  
7. was shouting   8. were arguing    9. were fighting   10. was crying

3. 
1. were hiding   2. wasn’t fighting   3. wasn’t running   4. wasn’t smiling    5. was running   6. wasn’t arguing  
7. weren’t sleeping

4.
1. was
2. weren't
3. was
4. wasn't
5. were
6. wasn't

5. 
1. was shouting   2. were riding their bikes 3. were running   4. was walking   5. was kicking a football ball   6. was reading

6. 
1. What were you doing yesterday?
2. Was he talking on his cell phone just now?
3. Where was she waiting at 4. p.m.?
4. Were they watching movies at 10. p.m.?
5. Why was she wearing an expensive dress?
6. Why were they shouting?
7. Where did you go this morning?
8. Were you listening to the radio this afternoon?

7. 
1. was playing
2. was studying
3. was watching
4. were dancing 
5. were cooking
6. were walking
7. were arguing 

8
1. Why were you shouting?
2. Why was she waiting at the bus stop?
3. Why was he laughing?
4. Why were you buying a present?
5. Why were you packing your suitcase?
6. Why were you carrying an umbrella?
7. Why were you crying?
8. Why were you running?

9. 
1. c   2. e   3. a   4. b   5. d
	
10. 
2. Where were Fedor and Marina going?  They were going to the movie theater.   
3. What were Rita and Fedya doing at the beach? They were swimming.   
4. Why were Grisha and Petr wearing shorts? They were wearing shorts because they were playing  tennis.