I ALWAYS KEEP THE WINDOW OPEN __________ LET FRESH AIR IN. (SO AS T...

6. - DE KIEM TRA 1 TIET HKII
Lớp 8 DE KIEM TRA 1 TIET HKII
6. I always keep the window open __________ let fresh air in. (so as that/ in order that/ in order to/ so as)