阅读下面短文，掌握其大意，然后从各题所给的四个选项中选出可以填入空白处的最佳选项。

Dear Li Hua, I was very glad to ___ from you last week. Thank you for telling me so much about your school life. I am now studying in a middle school in London and I have made quite a few friends here. Most of them are very friendly and we get on well ___ each other. My favourite subject is history, because it helps me understand how the world has ___ over the centuries. I have also joined the school basketball team and practise twice a week. I am looking forward to ___(4) you this summer holiday. Please write back ___ and tell me all your news. Yours, Tom

【第4空】