Exercises for prepositions

Exercises for prepositions. Choose the right prepositions for or since to complete the following sentences.
We haven't seen each other Sunday.
He has never returned home 1939.
He never returned home the whole week.
It has rained Saturday.
I have had no peace she came.
The performance went on over four hours.
John has lived here the end of the war.
It has rained three days without stopping.
Italy has been a united country 1870.
We will go to the sea-side a couple of weeks.