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.