shoule ought had better have to must的区别
shoule ought had better have to must的区别
ought to should had better must have to 的区别
should,ought to ,had better的区别
should,could,had better,ought to 的区别,
选用“should”“ought to”“had better”“have to”“must”及其否定式填空.
ought to ,should,had better 有什麽区别?
should must ought to have to的区别
had better,should,ought to的用法.
ought to,had better,have to的否定形式,给几个例句;had better后必须加动原吗?
Ought to have done .must have done.should have done的区别
关于should had better ought to 的区分,
have to do .should do .ought to do .must.的区别