Question

For или since
1)I've been in Asia .... seven years. 2)I've worked at school .... 1993. 3)I'be known Tom.... five years. 4)I've been to America .... July,1999.
5)I've not seen you .... a long time.

Answer 1

1.for

2.since

3.for

4.since

5.for

Answer 2

1)for
2)since
3)for
4)for
5)for