Markers for and since/present perfect

The plumber has been there_______two o´clock.

• for

• since

We´ve tried to help them _____ a long time

• for

• since

Tom has had his car _____ three years

• for

• since

Have you been to Italy ______ last year?

• for

• since

They have been here ______ an hour.

• for

• since

She has lived here _____ 1998

• for

• since

We´ve been near the lake _____ six hours now.

• for

• since

Fish haven´t live there _____ the oil spill

• for

• since

I haven´t eaten anything _____ hours.

• for

• since

He hasn´t played football _____ he hurt his foot last week.

• for

• since