【单选题】听力原文:W: Harry! What's the matter? You look pale. Are you sick? M: I just had a terrible experience. W: Sit down. Let me get you a glass of water. M: No thanks, I'll be fine in a minute. W: Did you hav...
【简答题】One day Bob took two of his friends into the mountains. They put up their tents and then rode off to a forest to see how the trees were growing. In the afternoon when they were about ten kilometres fr...