MANY PEOPLE HAVEN’T HEARD ……… FLYING SAUCERS.A) ABOUT B) FROM C) TO...

2. - DE THI KIEM TRA HOC KI II MON TIENG ANH 9
DE THI KIEM TRA HOC KI II MON TIENG ANH 9
2. Many people haven’t heard ……… flying saucers.A) about B) from C) to D) on