John was tired after a long working day. He continued his work until night.

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John was tired after a long working day although he continued his work until night.

Because John was tired after a long working day, he continued his work until night.

John was tired after a long working day, therefore he continued his work until night.

Although John was tired after a long working day, he continued his work until night.

Giải thích

Hướng dẫn giải:

Đáp án đúng: D

Liên từ tương phản: Although (mặc dù)

Dịch nghĩa: Mặc dù John mệt sau một ngày làm việc dài, anh ấy vẫn tiếp tục làm việc đến tối.