Please help!

Choose the correct answer:
What DO YOU LOOK ARE YOU LOOKING at? - I am looking at this funny doll
The girl standing next to you IS LOOKING/LOOKS pretty,
TAM STILL HAVING/ STILL HAVE a bag full of Lego toys. I collected them wher
I SEE AM SEEING my doctor today at ten o'clock. I've got a terrible stomach ache.
What ARE YOU THINKING/ DO YOU THINK about the new manager? - I don't th
Don't interrupt me! I THINK I AM THINKING about my exam now.
I HAVE AM HAVING dinner with my famıly now
Look at these children! They ARE WRITING/WRITE a letter to Easter bunny
They ARE WRITING WRITE a letter to Easter bunny every spring.
10 My coffee TASTES/IS TASTING bitter. Pass me the sugar, please.
i Mona STUDIES/IS STUDYING History with her mother at the moment.
12 I TASTE AM TASTING the tea to see if it needs more sugar