The water in the ocean also keeps the temperature of the earth steady by absorbing and _____heat.
They have lived in this village________several years ago.
That was really a splendid evening. It's years________I enjoyed myself so much.
—I went to the beach and got plenty of rest.—________. You looked tired last time I saw you.
—Do you mind if I smoke here?—________.
Can those________at the back of the classroom hear me?