1.All things that we have leaned now,no matter in school or out school,will have great effects on our futures.
2.the earth provides various survival conditions for human.
3.You may never have the chances are that you give up now.
4.He called the ambulance right off when he saw a man injured seariously lying on the ground.
5.If I am not available when you call me,ask for my brother.
6.Because of his excellent service for the public,he was awarded a gold medal