--- We want to sit at the table near the window. --- I am sorry, but it _______ already.
Scientists are convinced _ the positive effect of laughterphysical and mental health.
--- Smoking is bad for your health. --- Yes, I know. But I can’t.
--- What’s wrong with Mr. Brown? --- He said he would come at nine, but he didn’tat that time.
--- Has Ying Mei said sorry to you? --- No, She hasn’t given me any explanation .
--- I’m afraid it’s too dear. --- OK, then I’Il take 10% .