hot在这里是天气,对天气的提问应该用how is the weather或者是What is the weather like 所以这句话的提问应该是: How is the weather in Sydney when Beijing is cold? 或者是What is the weather like in Sydney when Beijing is cold? 再问: 请在帮我一题 Please take a message for Tom 改为同类句 Please ____ a message ____ Tom 再答: take a message for sb=send a message to sb 是给某人发信息的意思 所以这里应该是Please __send__ a message _to___ Tom 满意请采纳吧O(∩_∩)O谢谢~~