THEY HAVEN’T MET EACH OTHER ……….LAST JULY.A. FOR B. SINCE C.IN D.ON

4. - BAI ON KIEM TRA TIENG ANH LOP 9
BAI ON KIEM TRA TIENG ANH LOP 9

4. They haven’t met each other ……….last July.

A. for B. since C.in D.on