Write the short form. например: 1. i am i'm vanessa. 2. what is her favourite 3.i am eleven and they are 4.it is his birthday.he is sixteen 5.what is your name 6,we are twelve years

2. What is her favourite subject?What's her favourite subject?
3.I am eleven and they are twelve.I'm eleven and they're twelve
4.It is his birthday.He is sixteen today.It's his birthday.He's sixteen today.
5.What is your name ?What's your name ?
6,We are twelve years old.We're twelve years old