We depend on nature to live， so it is necessary for us to protect it （明智地，充满智慧地）．
Don't tell the secret to a third person． Just keep it to （我们自己）．
Trust me， please．
Giraffes are quite tall． Their long necks help them eat the （树叶）from trees．
Kitty （邮寄） a special present to her father last Father's Day．
如果在这里建设一个新的机场，许多动物将失去家园．