He _______ have taken your car by mistake because he didn’t have the keys.
It’s a fact ____ he has not received the letter.
Only when I left my parents for Italy _____ how much I loved them.
Many people have come to realize that they should go on ____ balanced diet and make _____ room in their day for exercise.
_____ worries me the way he keeps changing his mind.
The whole hall _____ to wait for the announcement of the winner of the first prize.