not unusual和unusual有不同吗

not unusual和unusual有不同吗 uncommon和unusual的区别 strange和unusual之间的区别是什么? anything unusual有什么特殊的用法? I had a very unusual experience on sunday.和He had an unusual something unusual happens to you if you (not be) careful Something unusual _______(happen) to you if you _______(not It is not unusual for your friends to point out. it is not unusual that a journalist receives severe warnings It is not unusual for workers in that region _____. something unusual-------（happen)to you if you ----(not be ) 是a unusual还是an unusual