Задание
Read the sentences and choose since or for.
1. I've been waiting ..... 6.30 pm!
- since
- for
2. She's worked there ..... 1999.
- since
- for
3. I haven't visited my home town ..... I left school.
- for
- since
4. She hasn't had a day off ..... 1999.
- for
- since
5. David has known Mary ..... 1996.
- for
- since
6. I've felt a lot better ..... I stopped smoking.
- since
- for