— What are you doing outside the class? Didn’t you hear the clock ______?—Sorry, sir. I ______.
_______, and the problem will be straightened out.
He______ on the grass, looking at the clouds in the sky.
The country life he was used to _______greatly since 1992.
Most birds find it safe to sleep in the trees, but _______they have eggs or young chicks, they don’t use a nest.
_______ boys and girls in that school are almost equal.