Person A: I think we should go there by bus. It doesn’t cost much. Person B: ______________ Public transport is also good for the environment.Đoạn văn18/45Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best completes each of the following exchanges. Person A: I think we should go there by bus. It doesn’t cost much. Person B: ______________ Public transport is also good for the environment. I don’t think so.That’s a great idea.That’s a ridiculous idea.Not necessarily.Giải thíchChọn B