d he had called me to returnhome, but I didn’t receive _________.

He was asked to _______ his class making a speech atthe school opening ceremony

I think ______ people drive， ______ air pollution there will be.—That’s true. I hope the air will be fresher soon.

I think we need to sit down and have a talk.—I agree more. Let’s take the bench over there.

_______, and problem will be settled.