十五、Advice and Suggestions（劝告和建议）
1、You"d better go to see the doctor.
2、You should do it at once.
3、Why not go on a picnic next Sunday?
4、What (How) about going there by boat?
5、Have you considered going there by boat?
6、Shall we take a walk after supper?
7、I suggest you do more reading.
8、I advise you to take more exercises.
