Since vs For

My parents have lived in Santiago _____ 1996.

• during

• since

• for

He hasn't been to London _____ his last birthday.

• during

• for

• since

We haven't met _____ they left for Chicago.

• since

• for

• in

I haven't worked _____ August.

• since

• for

• in

I have been waiting _______ 4 o'clock.

• since

• for

They have been learning French _______ 1998.

• since

• for

I haven't eaten anything _______ breakfast.

• since

• for

I have been in Chile _____ 10 years.

• for

• since

• at

He had been reading _____ 2 hours when his friend came.

• for

• on

• since

I haven't seen you _____ ages.

• since

• for

• during