_______ number of people invited was fifty, but_______ number of them were absent for different reasons.
___________ is known to everybody, the noon travels around the earth once every month.
A computer can only do ________ you have instructed it to do.
—If he ___________, he ________that food. —Luckily he was sent to the hospital immediately.
When a pencil is partly in a glass of water, it looks as if it _______.
One learns a language by making mistakes and _______ them.