Since and for with present perfect

Belfast has been the capital of Northern Ireland ________ 1921.

• for

• since

Northern Ireland has been a very popular tourist destination _______ over a decade now.

• for

• since

The Ulster Irish have lived in Northern Ireland ________ over 400 years.

• for

• since

The Giant's Causeway has been popular with tourists _______ the 19^th century.

• for

• since

Molly has been in Derry ______ two days.

• for

• since

I'm so hungry! I haven't eaten anything ________ dinner yesterday!

• for

• since

I've had these shoes _______ only a week and they're already falling apart!

• for

• since

I've known my best friend ________ we were little kids.

• since

• for

Molly / be / Derry / Saturday

Her aunt / live / Derry / 20 years.