for and since

You have been in London _____ 5 years.

• for

• since

My sister has lived in Canada _____ 1980.

• for

• since

Maz has been working _____ 3 hours.

• for

• since

Max has been working _____ 3 hours.

• for

• since

I haven't met Lilly _____ ages.

• for

• since

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

• for

• since

I haven't met Marc _____ he left for India.

• for

• since

We haven't seen her _____ a long time.

• for

• since

They have been working _____ for 4 hours when it started to rain.

• for

• since

David has worked for the school _____ his last summer.

• for

• since