... như: -ion, -ic, -ian, trọng âm thường r i vào vần phía trước.Ex: proféssion, demonstrátion, scientífic, photográphic, musícian, electrícian, 1 She is said to be a good student(nguoi ta cho ... transportation, the post office experimented with inventions that offered potential formoving the mail faster, occasionally suffering embarrassment, ridicule, or even abuse in the process.28 As mail ... scientists have claimed that ____ like music are often good at mathematics.A. children B. children who C. children whom D. whose children24) My friend, ____ I visited lask week, is taking a holiday...