5.对于父母来说，允许青少年在团队中学习不失为一个好主意。(it 形式主语)

4.我们将感到更加舒适，那将有利于我们学习。

3.那将是使得老师和同学们都高兴的好方法。(way to do ;both…and )

2.他们在大声说话，而没有在做作业。(instead of )

1. 青少年应该被允许选择他们自己的衣服。

8.The school shouldn’t allow the students to take the test later.(同上)

7.His father allowed Peter to stay in his friend’s home for only two hours.(同上)

6.My parents allow me to choose my own clothes.(变为被动语态)

5.He failed a test 3 days ago.=He (　　 ) (　　 )a test 3 days ago.

4.He got to class late yesterday.= He was (　　 ) (　　 )class yesterday.