Choose the correct options

1. My friends are very friendly.
   [They|I|he]
   are teenagers.
2. His dog is funny.
   [It|He|They]
   is very small.
3. My sister is small.
   [She|He|I]
   is two years old.
4. My name is Kate.
   [I|he|she]
   am a schoolgirl.
5. His parents are in Moscow.
   [He|She|They]
   work there.
6. This is his pen.
   [She|They|He]
   is looking for it.
7. How old are
   [he|she|you]?