from the moon, our earth with water seventy percent of its surface, appears a blue ball.
It was not until dark ___ he was aware of ___ he thought was the correct way to solve the problem.
We expected their house to be very large, but it is ___than ours.
Your teacher might find out about it.— ___? I’m doing nothing that breaks the rules.
It is reported that a new school has been built in___ was a deserted village a few decades ago.
The technological advances made it possible for the middle classes to enjoy what had once been ___only to the very rich.