HUNG STUDIED VERY HARD. ____ HE STILL FAILED THE EXAM (HOWEVER)

11, - SO BUT OR HOWEVER SO BUT OR HOWEVER SỬ DỤNG SO BUT THEREFORE HOẶC HOWEVER ĐỂ ĐIỀN VÀO CHỖ TRỐNG 1 THIS IS THE SHORTEST WAY TO THE CITY CENTER IT IS NOT ONLY WAY HOWEVER 2 THE BOY WAS ABLE
SO BUT OR HOWEVER SO BUT OR HOWEVER SỬ DỤNG SO BUT THEREFORE HOẶC HOWEVER ĐỂ ĐIỀN VÀO CHỖ TRỐNG 1 THIS IS THE SHORTEST WAY TO THE CITY CENTER IT IS NOT ONLY WAY HOWEVER 2 THE BOY WAS ABLE
11, Hung studied very hard. ____ he still failed the exam (However)