. The school has recently decided that students aren’t permitted to use mobile phones at school, but I find it difficult to _______ this decision..

1Finally, tired happy,we took the subway back home.

If you have any trouble, be sureto call me. —- _______.

The young man insisted that he＿＿＿＿＿nothing wrong and＿＿＿free.

Girls, I’ll tell you _______, and you can do it ________.