1-was
2- was
3- were
4-were
5-were
6- was
7-was
8-were
1.Are the musicians performing?
The musicians are not performing
2.Is Mary drinking Cola?
Mary is not drinking Cola
3.Are the clowns holding baloons?
The clowns are not holding ballons
4.Am I taking pictures of my friends?
I am not taking pictures of my friends
5.Are you feeling tired?
You are not feeling tired.
2.Jack finished his presentation when the fire alarm started;
3.just as I opened my front door, a cat ran inside;
4.my mom telephoned me while I ate dinner;
5.(пятое не особо поняла)
6.when the mailman came,I did my exercises
Application, successful, immediately, information, accommodation, unlucky, responsibility, difficulty, prepared, reasonably.