IF YOU ….. THE FRONT DOOR CAREFULLY, THE THIEVES WOULDN’T HAVE BRO...

49. - BAI TAP TRAC NGHIEM CAU DIEU KIEN
BAI TAP TRAC NGHIEM CAU DIEU KIEN
49. If you ….. the front door carefully, the thieves wouldn’t have broken into your house.A. have locked B. locked C. would lock D. had locked