问下中译英

7,Students were required to hand on their homework before leave scholl.
8,You should attend series of exams like this.
9,I think he will involed in this work soo.
10,One minute equals 60 seconds.
11,His desire to be a writer has finally be fulilled.
12,The little girl is just as a picture of her mother.
13,The boy is the picture of health.
14,In no case can we give up.
15,She requires we to check out tomorrow.