1、make it possible for sb to do sth 2、make a diff

1、His help make it possible for me to finish the work on time.他的帮助使我按时完成工作成为可能。 2、His work has made a difference.他的工作起了作用。 3、I like playing。我喜欢玩。 4、He was excited about having a chance to Beijing.她为能有机会去北京感到兴奋。 differenee应该是difference。encited应该是excit