根据短文内容，用适当的单词完成下面句子。

Dear Mike,

     We got your letter yesterday. Yes, we can visit you at Christmas. We thought to spend Christmas at

home, but now we are going to be with you. Jack will not be in school then. The weather in Chicago is

cold, but it doesn't matter. Sometimes we like the snow. We got our plane tickets. We will get to your city

on the 18th. We will stay with you for two weeks. Is that all right with you? We'll take our favourite

recipes (食谱), so we can have a nice Christmas dinner.

      See you soon . 

                                                                                                                                    Love

                                                                                                                                    Mom and Dad

1. This letter is from Mike's _________.

2. In Chicago, it is _________ now.

3. Mike has a brother called __________. He is in school now.

4. Mike's parents will go to his city by _________.

5. His parents will come back on _________ 31^st .