1、fewer,lawyer,teenager,skater,collector,writer,foreigner,poster,2、pollution,prediction,solution,
3、building,amazing,meaning,disappointing,clothing,4、probably,casually,luckily,fortunately,sincerely,5、interview(international),6、unpleasant,uncomfortable,7、scientist,（artist）8、impossible,impolite,
9、pushy,crazy,lucky,politely,carefully,10、organized,scared,injured,annoyed,11、freedom,
12、grandpa,（grandma,grandparents）13、volunteer,14、decision,15、argument,
16、European,Australian,Asian,17、waitress(actress),18、behavior,19、careful,20、careless
