You do not look well .You had better see your doctor.
5个回答

had better do sth 是一个句型,意思是 最好做某事

而have done sth 是一种时态,现在完成时 意思是 已经做某事

They all wanted to know what was wrong with him,what was wrong with him疑问句作后置定语

最后,on+有定语修饰的早 中 晚,这是固定表达哦,

都是我一个字一个字打出来的,如果满意了就选我吧~=3=