Question

Choose the correct form: since or for.
1) I have been waiting ...
4 o'clock.
2) Sue has only been waiting
... 20 minutes.
3) Tim and Tina have been learning english ... six years.
4) Fred and Frida have been learning french ...1998.
5) Joe and Josephine have been going out together ...
Valentine's Day.

Answer 1

1.since
2.for
3.for
4.since
5.since