---Which club would you like to join, art club or basketball? --- _______ is OK. I’m good at them.
He is always making ______ for his being late ______ school.
______ you have nothing important to do, why not come with me to the cinema?
I think ______ necessary ______ to take more exercise.
What did your mother do ______ the market last Sunday?
______ number of the students in Class 1 ______ forty-four.