1.Saying is easy.Doing is difficult. 说起来容易，做起来难。
4.Driving is exciting. 开车真是刺激。
5.Lying is a bad habit. 说谎是一个坏习惯。
6.Getting daily exercise is important. 每天锻炼很重要。
7.Listening to his speech is boring. 听他的演讲很无聊。
8.Parking is prohibited here. 此地禁止停车。
9.Raising children is a big responsibility. 养育孩子是一项重大责任。