— Is the man our sales-manager? — No, it ______ not be him he never plays cards.
When was it ______ you met Yao Ming in the street?
How happy we _______, if you had come with us to the party.
It is required that no smoking ______ in the school.
The dress is not ______ for the formal party. You’d better find another one.
He was unable to make such progress, _______.