【单选题】听力原文:W: Oh, I wish we had taken the lift. M: Cheer up. It's already on the 8th floor. W: But I am really tired out. M: Just think it's helpful for our health. W: Possibly, but if I know it was so far ...
【简答题】示例:She didn't take the medicine, so she didn't feel any better. If she had taken the medicine, she would have felt much better. He didn't give me his number, so I couldn't telephone him.