THEY WOULD BE DISAPPOINTED IF WE……….A. HADN’T COME B. WOULDN’T COME...

7. - CAC DANG BAI TAP TRAC NGHIEM TIENG ANH
CAC DANG BAI TAP TRAC NGHIEM TIENG ANH

7. They would be disappointed if we……….

a. hadn’t come b. wouldn’t come c. don’t come d. didn’t come.