He was very tired but he kept on working.

15/20

Despite he was very tired, he kept on working.

In spite of he was very tired, he kept on working.

Though his tiredness, he kept on working.

Although he was very tired, he kept on working.

Giải thích

Đáp án đúng là:D

- although / though / even though: mặc dù (đi với một mệnh đề)

- despite / in spite of: mặc dù (đi với một cụm danh từ)

Dịch: Dù rất mệt nhưng anh vẫn tiếp tục làm việc.