Either you or the headmaster ______ the prizes to the gifted students.
Could ______ that have a say in the decision do us a favor about the problem?
Which do you enjoy ______ you weekend, doing sports or watching TV?
She ______ stop whomever she met to tell the story about her Ah Mao.
______, his idea was actually worth practicing.
. He had already learned the news. I ______ the trouble to phone him about it.