NO ONE HAS USED THIS ROOM FOR A LONG TIME.A. THIS ROOM HAS NOT BEEN...

7. - DE KT1 TIET BAI SO 2 TN TL VA DAP AN
Lớp 10 DE KT1 TIET BAI SO 2 TN TL VA DAP AN
7. No one has used this room for a long time.A. This room has not been used for a long time.B. This room was not used for a long time.C. This room has been used for a long time.D. This room has not used for a long time.