应该是you'd,全部应该you would better do sth.
有.Sb +had better 某人最好干什么YOu'd better go home early.你最好早些回家.
当然是you'd better了。没错的。
应该是you'd better
语法老师会说you'd better但是年轻小屁孩唱歌的时候当然可以用you better
