Jack is late again. It is ________ of him to keepothers waiting.

The media can often help solve problems and draw attention _____situations _______help is needed

Where is Jason I want to tell him about the result of the singing competition.—Oh, you ________________. He has known it already.

You look tired.— Yes. I ___ non-stop until 8 o’clock.

下列词语中加点的字读音正确的一组是（ ）