THEY WORKED HARD ……THEY COULD PASS THE FINAL EXAMINATION.A.SINCEB....

31. - DE THI TONG HOP TIENG ANH 12
Lớp 12 DE THI TONG HOP TIENG ANH 12
31. They worked hard ……they could pass the final examination.A.sinceB.becauseC.in caseD.so that