Mai had forgotten to turn off the light in her badroom before she left.

40/40

Mai had forgotten to turn off the light in her badroom before she left. Her mother blamed her for that.

Mai’s mother turned off the light in her bedroom because she had forgotten to do so before she left.

Mai’s mother didn’t blame her for having remembered to turn off the light in her bedroom before she left.

Mai’s mother blamed her for having forgotten to turn off the light in her bedroom before she left.

Mai’s mother blamed her for having turned off the light in her bedroom before she left.

Giải thích

Đáp án đúng là: C

Giải thích: Cấu trúc: - blame S.O for + V-ing: đổ lỗi cho ai vì điều gì

- Forget + to verb: quên làm gì

Dịch: Mẹ của Mai đã đổ lỗi cho cô vì đã quên tắt đèn trong phòng ngủ của mình trước khi cô rời đi.