--Could you please ______ so much noise?
I hurt my leg badly, so I __________ go to school tomorrow.
_____number of the students in our class ______ 40. _______ number of them ______ sporty.
Of the two pens, the boy bought ______ expensive one at last.
He spoke very fast and very _____ people understood what he said.
You will find ______ useful to learn even a little English.