M R TUAN ……….SMOKE, BUT NOW HE DOES NOTA. USED TO B. USING TO C. US...

8. - KIEM TRA 8BAM SAT RAT HAY
KIEM TRA 8BAM SAT RAT HAY
8. M r Tuan ……….smoke, but now he does nota. used to b. using to c. use to d. uses to