根据汉语译完下列各句, 每空一词。
1. 大部分同学一星期看三到四次电视。
_______ students watch TV three or four _______ a week.
2. 妈妈,别担心!我会好好照顾弟弟的。
Don't worry, Mum! I can _______ _______ my brother well.
3. 你的儿子年龄不够大,不能上学。
Your son isn't ________ ________ to go to school.
4. 我认为看NBA比赛最有趣。
I think ________ NBA basketball is the _______ interesting.
5. 他父亲在大学时主修英国文学。
His father _______ _______ the English literature at college.