Choose the correct options to complete the sentences

For — a period of time

Example: We have lived here for 10 years now.

Since — a point in time (in the past), until now.

Example: I have been working here since 7 o'clock.

1. It's been two years
   [for|since]
   Kate and I became friends.
2. They've been together
   [for|since]
   a very long time.
3. The famous street artist Banksy hasn't made any new paintings
   [for|since]
   last winter.
4. I haven't been to an art gallery
   [for|since]
   ages.
5. Harry and his sister have been making art
   [for|since]
   their parents brought some crayons home.
6. I've been in this art camp
   [for|since]
   two months.
7. Sam's been dreaming of becoming an artist
   [for|since]
   he saw a TV show about Vincent Van Gogh.
8. The painting has been drying
   [for|since]
   two days now.