english correction thx

1)As a rresult ,their school work will let us down.
result 我諗你打錯字吧, 成句我唔係好知你想講乜, 所以答唔到

2)In addition,not only it will affect our students from studying,
呢句唔完整, not only 永遠要跟 but also 架, 仲有係 not only+will/do/does +it/he/she , 我地好少會做到from studying, 你可以由第2個角度黎寫

in addition, not only will it affect our students' studies, but also the way they think.

3)Day by day ,week by week,they will not contact each other no longer.
呢句好有古文 feel....好唔直接睇到人都 mung 呢
They will not contact each other anymore.
They will never contact each other.
They will never ever contact each other again.

4)Someone may say that they can work out together during the holiday with in order to keep Their friendship.

意味有點怪..... someone may say that they work out together during the holiday in order to keep their friendship.

6)No sooner had the school redeveloped than they become jobless.

唔知講乜...
7)Teachers and students will lose their contact.
teachers and students will not contact as often.