Exercise on »since« and »for« Level: lower intermediate

- since - if the starting point is given (two o'clock, last Friday, 1998)
- for - if the period of time is given (twenty minutes, two days, one year)

Decide whether to use »since« or »for«.

1. I have been waiting sincefor 4 o'clock.
2. Sue has only been waiting sincefor 20 minutes.
3. Tim and Tina have been learning English sincefor six years.
4. Fred and Frida have been learning French sincefor 1998.
5. Joe and Josephine have been going out together sincefor Valentine's Day.
6. I haven't been on holiday sincefor last July.
7. Mary has been saving her money sincefor many years.
8. I haven't eaten anything sincefor breakfast.
9. You have been watching TV sincefor hours.
10. We have been living here sincefor 2 months.

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