Subject or object form? Put in the pronouns. There's no need to shout. I can hear (you)

May you help me ?!!!
1. Subject or object form? Put in the pronouns
a) There's no need to shout. I can hear  (you)
b)  You and I work well together. ___ are a good team.
c) We've got a big problem. Could___help___,please?
2. Complete the conversation:
A: What is your body ?
B: I enjoy collecting stamps
A: When did you start the hobby?
B: I started my hobby when___(1)___________
A: How can you find stamps?
B: I ____(2)_________________
A: Why do you enjoy this hobby?
B: I ___________(3)__________
How about you? What(4)____________?
A: I don't like collecting stamps. I love(5)_____________