根据句意和首字母提示补全单词，如下：
1、How’s the w_______in Beijing?
2、It often s______in the north of China in winter and the weather is very cold.
3、They are in France on v______.
4、It’s too h_______.Let’s go swimming.
5、She is sitting at the b______of the classroom.
6、My mother is c_______in the kitchen.
7、There is a m______for you from your cousin.
8、Study h______and you can pass the test.
答案及解析：
1、weather；
“How’s the weather in Beijing?”意为“北京的天气怎么样？”
2、snows；
“It often snows in the north of China in winter and the weather is very cold.”意为“中国北部冬季经常下雪，天气很寒冷。”
3、vacation；
“They are in France on vacation.”意为“他们在法国度假。”
4、hot；
“It’s too hot.Let’s go swimming.”意为“太热了。我们去游泳吧。”
5、back；
“She is sitting at the back of the classroom.”意为“她正坐在教室的后面。”
6、cooking；
“My mother is cooking in the kitchen.”意为“我妈妈在厨房里做饭。”
7、message；
“There is a message for you from your cousin.”意为“有一条来自你表弟给你的信息。”
8、hard。
“Study hard and you can pass the test.”意为“努力学习，你就可以通过考试了。”