Look at the man in the classroom! Is he Mr. White?—No, it __________be him. He’s eating in the dining hall.

What’s matter _____ your computer? [ ]

______ is too difficult if you put your heart into it.

I have ________breakfast at 7:00 every day. After breakfast, I usually play _________ basketball.

It’s hot here. Why not ________ your coat?—OK.