Complete the sentences with the correct form of the verbs in brackets. Circle since or for where necessary.
1. We ______________(go) to the same school for/since a couple of months but then his family moved to London.
2. Pete's my best friend. We ____________ (know) each other since/ for primary school.
3. I ______________(think) about you a lot since/ for we last met.
4. Tina ______________(learn) Spanish since/ for six weeks but she can only say a few words.
5. His new book is fascinating. ____________ (you/read) it?