FOR OR SINCE

Complete the sentences with the Present perfect of the verbs in brackets and FOR or SINCE.

1. She ............................... (be) a doctor ___________ 1998.
2. Nobody ........................... (see) her ___________ then.
3. They ...................... (be) ill ___________ last week.
4. Peter went to the library. He ...................... (study) there ___________ a long time.
5. It ...................... (be) very foggy ___________ this morning.
6. I ......................... (work) with you ___________ nine years.
7.  He ................... (be) in prison ___________ two years.
8. She ....................... (work) in that office ___________ a month.
9. He ............................. (not eat) anything ___________ twenty-four hours.
10.  He ...............................(not eat) anything ___________ yesterday.
11. They.......................... (not speak) to us ___________ we were at school.
12. I ............................... (not talk) to her ___________ my birthday.
13.She.............................. (be) ill ___________ years.
14. I .............................. (have) a los of patience with you ___________ several years.