A SERIOUS CALLING IS CALLING VERY LATE AT NIGHT, OR VERY EARLY AT...

05. - KIEM TRA 1TIET SO 1 TRON 4 DE
KIEM TRA 1TIET SO 1 TRON 4 DE
05. A serious calling is calling very late at night, or very early at the morning.A. at the morning B. at night C. serious calling D. orII. Choose the words whose underlined part is pronounced differently from the others: