— I don't think so. You are never____ because all your classmates are ready to help you.
— Yes, I do. The ship Eastern Star(东方之星) sank. _______________, fourteen people were saved.
— I agree. It's lost _______________.
—Sure. Practice makes perfect.
—But it's good for your health! You need to eat it every day.
—Sure.
— Sorry. He speaks so fast that I can ________________ understand him.