阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式（3个单词以内）。
Dear Tom,
How time         (fly)! You have been studying in Beijing for nearly a month, during which you must have achieved a lot. Well,        is everything going? It is reported that the weather there is very hot and dry these days, which is very different from        of your county. Have you adapt to it? In        (add), you once complained that the food        (serve) there was not to your taste. I hope that should have been improved.
I am glad to tell you that I will go to Beijing to take part in an English contest in July,        is not only an honor, but also a great opportunity for me        (improve) myself. And now I try my best to make preparation for it. However, I have some difference
   (collect) the material relevant(有关的) and using the language. I will appreciate it if you give me a hand to solve         problem.
After the contest, I am to drop in at your school to visit you.
Please wait        my phone.
Yours,
Li Hua