根据短文内容和括号内所给的中文或音标，用单词的适当形式填空，每空限填一词。

    I am a student in a middle school. In my class, there are（十六）boys. My friend, David, is one of（他们）. His （生日）is the same as mine. This year I want to give him a(n) (/blu:/) pencil-bag, because it is his favourite colour. We always play （篮球）together after school on Thursday. When we are  （累的）, we sit down on the playground and  (/lisə:n/) to the students singing in the classroom. We sometimes go to the  （剧院）on Sunday. But when it is cold, we like doing homework in my home together. My English is good and his （数学）is good. We can help each other. We draw  （图画）together, too. I like my friend a lot.