Complete the sentences. Use the present perfect form of the verbs in brackets and since, yet or for where necessary 1) ...................... (you/find) the front door keys .................? 2) How long ........... (you/know) them? ........................ we were kids. 3) I ............ (not see) Jane at school ................ a few days.
1. Have you found the front door keys yet?
2. How long have you known them?
Since we were kids.
3. I haven't seen Jane at school for a few days.