1. 自从去年以来，那些学生就在踢足球。
   The students have been ___________ football ___________ last year.
2. 昨天晚上你们做作业多长时间？
   How long __________ you ___________ your homework last night?
3. 歌手们唱歌的目的是为慈善机构筹集资金。
   The singers are singing to __________ money __________ the charity.
4. 我们学校有一百五十多名教师。
   There are __________ __________ a hundred and fifty teachers in our school.
5. 如果我成为一名律师，我就能帮助人们。
   If I __________ a lawyer, I will be bale to help people.