Ответ:
1)She is studing German.Is she studing German?
2)I am eating a sandwich.Am I eating a sandwich.
3)We are celebrating Bob's birtday.
Are we celebrating Bob's birtday?
4)The sun is shining brightly.
Is the sun shining brightly?
5)It is snowing.
Is it snowing?
6)The parents are arranging the party.
Are parents arranging the party?
7)You are living the hostel.
Are you living the hostel?
8)You are getting on with your siblings.
Are you getting on with your sislings?
9)He is missing his bus.
Is he missing his bus?
10)The twins are quarrel.
Are twins quarrel?
11)Mum is making a fish pie.
Is mum making a fish pie?
12)You are sharing a room with your groupmate.
Are you sharing a room with your groupmate?
13)Your cousin is getting married.
Is your cousin is getting married?
14)They are making up.
Are they making up?
15)Your dad is driving a car.
Is your dad driving a car?