【小题1】 Collecting stamps is one of my __________(爱好).
【小题2】It’s not __________(礼貌的)to talk with your mouth full.
【小题3】 I think the telephone was __________(发明)in 1876.
【小题4】 China is getting richer and stronger in the new __________(世纪).
【小题5】 We’ll be able to finish the project _________(容易的).
【小题1】hobbies
【小题1】polite
【小题1】 invented
【小题1】 century
【小题1】 easily解析:
略