急急急，请哪位英语高手帮忙翻译一下下面的句子，汉译英,不要机器翻译的，帮忙翻译准确点，在线等，谢谢!

Question

1.校长又检查了一遍教室以确保没有学生留在教室里。2.在登山前，小组长给大家腰上牢牢地系了根绳子。3.你为什么不参加这项极限运动呢？4.蹦极需要极大的勇气。5.亨利突然想到了一个绝妙的主意。

Answer 1

1.Vice-Chancellor and checked again to ensure there is no classroom of students to stay in the classroom.
2.In the mountain, team leader for us waist anchored the rope root.
3.Why do not you take part in this extreme sports?
4.It requires great courage to bungee jumping.
5.Henry suddenly thought of an excellent idea.
希望你能赶的上吧,我的翻译绝对正确.

Answer 2

1.The headmaster checked the classroom again to make sure there is no student in it.
2. The team leader fastened a rope on everyone's waist before climbing mountain.
3.Why don't join this Extreme Sports ?
4.Bungee needs great courage.
5.Henry suddenly got a fantastic idea.

Answer 3

1,the principal rechecked the classroon to ensure there is no student left.
2,the team leader firmly attached a string to everybody's waist before climbing.
3,why dont you attend this extreme sport?
4,the bungee needs huge courage.
5,Henri was suddenly struck by an excellent idea.

Answer 4

1.The schoolmaster checked the classroom again in order to ensure no student is left in it.
2.Before Climbing, captain ties up a rope tightly in everybody's waist.
3.Why don't you attend this Extreme Sports?
4.Bungee Jump needs too much courage!
5.Henry stricks on an terrific idea.

Answer 5

1. The headmaster had another check in the classroom to make sure no students are staying behind.

2. Before climbing the mountain, the team leader firmly attached a string to everybody's waist.

3. Why don't you participate in this extreme sport?

4. Bungji requires great courage.

5. Henri suddenly came up with a great idea.