It was an interesting novel. I, therefore, stayed up all night to finish it.

14/22

Though it was an interesting novel, I stayed up all night to finish it.

Unless it was an interesting novel, I would stay up all night to finish it.

So interesting was the novel that I stayed up all night to finish it.

I stayed up all night to finish the novel, therefore, it was interesting.

Giải thích

Đáp án đúng là: C

Dịch: Đây là một cuốn tiểu thuyết thú vị. Tôi, vì vậy, thức cả đêm để đọc nó.