(A) IF THEY (B) HAD BUILT A BETTER ROOM LAST MONTH, THEIR CHILDREN...

29. - 3 DE KIEM TRA HOC KY II MON ANH LOP 10 VA DAP AN
Tiếng Anh 3 DE KIEM TRA HOC KY II MON ANH LOP 10 VA DAP AN
29. (A) If they (B) had built a better room last month, their children (C) would have studied (D) better now.