HE FAILED THE LAST EXAM, ___________, HE HAS TO STUDY HARD TO TAKE...

23. - TUYEN TAP 5 BAI TEST TIENG ANH LOP 12 CO DAP AN VA GIAI THICH 23. - TUYEN TAP 5 BAI TEST TIENG ANH LOP 12 CO DAP AN VA GIAI THICH
TUYEN TAP 5 BAI TEST TIENG ANH LOP 12 CO DAP AN VA GIAI THICH
23. He failed the last exam, ___________, he has to study hard to take part in the exam again.A. but B. however C. therefore D. because