For/Since

I've been a student at this school _______ a year.

• for

• since

My sister has worked in Spain _______ six months now.

• for

• since

We haven't seen Ella _____ September.

• for

• since

We've been here ______ an hour and a half.

• for

• since

I haven't played computer games ________ last weekend.

• for

• since

I've had this jumper ______ last October.

• for

• since

We have lived here _______ September.

• for

• since

David has known about the problem ______ a year.

• for

• since

I haven't bought any clothes _______ last month.

• for

• since

David has known about the problem _______ last year.

• for

• since