We know that about seventy percent _____ the earth _____ covered by water.

On top of the mountain ______, which was built 2,000 years ago.

Although he has lived with us for years, he_____ us much impression.

My parents tell me not to eat food that stays out overnight, _______it tastes ____. .

Excuse me, are these ______ new shoes?—No, they aren’t. ______ are black over there.