16. Fill in never, ever, just, always, before, since or for.

1. She hasn't heard from her nephew for two years. 2. Have you ever been to Pushkin Museum of Fine Arts? 3. My friend's brother has always wanted to become a biologist. 4. I haven't seen this play before. 5. He has just told me about your offer. 6. I have done a lot since last Monday. 7. Kate has never been to a ski resort.