Since or For

Fill in the gap with "for" or "since"

He's been cleaning ___ five hours. His parents are visiting the apartment tonight.

Fill in the gap with "for" or "since"

It's been raining ____ Saturday morning. I hope the weather gets better soon.

Fill in the gap with "for" or "since"

You've been gardening _____ 9 O'clock. You should take a break.

Fill in the gap with "for" or "since"

I've been swimming ____ 20 minutes. I'm quite tired but I'll keep going on.

Fill in the gap with "for" or "since"

She's been baking _____ 11 O'clock this morning. We'll have lots of cookies to eat later.

Fill in the gap with "for" or "since"

he's been tiling the wall ____ three hours. I think he will finish today.