25 questions
a) for
b) since
2. I have been living here ...... July
a) since
b) for
3. He's worked there ....... several years
a) since
b) for
10. They haven't been here ..... 1993
a) since
b) for
11. She's worked there ....... years
a) since
b) for
12. He's been here ....... three o'clock
a) for
b) since
14. I haven't seen them .... last week
a) for
b) since
... a long time
FOR
SINCE