I control my computer with _ mouse.
I am typing __ my computer keyboard.
The height __ the Eiffel Tower is 300m.
The apple is ripe so pick __.
The apple __ ripe so pick it.
Protein is found __ meat, fish and cheese.
__ the baby is asleep there is peace and quiet.
There was great relief __ the rescue.
He broke the world-record and had a video __ proof.
__ efficient machine works well.
We set ___ from Florida for a week's cruise.
You ___ have either of these two cakes.
I sent ___ a birthday card.