tolong dijawab ya....

A.
1) Was playing a video game 
2) was listening to music
3) we're sleeping
4) was exercising
5) we're watching

B.
2)  was starting to wrote my paper at 11.00 pm
3)  we're chatting this morning in the middle of waiting for a doctor
4) you saw me in half an hour ago, then you waved your hand at me
5) Last night george has a party, and Mary was studying last night, they're activities happend in the same time.

C.
1) was studying
2) are you going to wait
3) we're you driving, was happened & wanted
4) we're sitting & discussing about something
5) are cheating