求英语大神来帮忙翻译几句英文！谢谢啦

1.At first they refused to admit their mistakes,but ended up apologizing to the teacher.
2.Xiao Ming put 5 kilos after the summer vacation.
3.When the kid is in trouble,he often turns to his teacher.
4.If sales volume can't be increased,we must cut back on the volume of production.
5.He fell into the bad habit of smoking and drinking in just a week.

1, They refused to admit their mistakes at first but ended up apologizing to the teather.
2, Xiaoming put on 5 kilograms after the summer vacation.
3, That kid ususally turns to his teachers for help when he's in trouble.
4, If we cannot increase sales, then we have to cut back on production.
5, He fell into the bad habit of smoking and drinking in just a week.