【单选题】听力原文: These are some of the signs that you see on the roads of Great Britain. Number one is a sign with the number thirty on it. When drivers see this sign they must not go at more than thirty miles a...
【单选题】These are some of the signs that you see on the roads of Great Britain. Number one is a sign with the number thirty on it. When drivers see this sign they must net go at more than thirty miles an hour...