HOANG ……… TO SMOKE A LOT WHEN HE WAS A STUDENT.A. USED B. USES C...

1. - KIEM TRA 15 BAI 2 HOC KY 1
KIEM TRA 15 BAI 2 HOC KY 1

1. Hoang ……… to smoke a lot when he was a student.

A. used B. uses C. use D. using