"The reason why I left is because I was tired." hay "The reason I left is that I was tired."?

The reason I left is that I was tired. nghĩa là gì?

Nói đúng: "The reason I left is that I was tired." — không nói "The reason why I left is because I was tired.". Tránh lặp "reason why … because"; dùng "The reason … is that".

Ví dụ với "The reason I left is that I was tired."?

The reason I left is that I was tired.