Mr Liu is ____ unusual teacher. He has written _____ useful book for his students.
Lucy often goes to school on foot, doesn’t she?
Wangpingisnolongerachild.
Weareproudofourstrongcountry.
Theteachercameupwithanideatostoptheboyfromplayingcomputergames allday
Ifyouareconfidentenough,socialsituationsdon’tbotheryouintheslightest.