My younger brother ate too many sweets at night, and as a result, he had tooth decay.

43/50

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions/.

If my younger brother ate too many sweets at night, he didn’t have tooth decay.

If my younger brother hadn’t eaten too many sweets at night, he wouldn’t have had tooth decay.

If my younger brother hadn’t eaten too many sweets at night, he wouldn’t have tooth decay.

If my younger brother didn’t eat too many sweets at night, he would have had tooth decay.

Giải thích

Tạm dịch :

Em trai tôi ăn quá nhiều đồ ngọt vào ban đêm và kết quả là em ấy bị sâu răng.

Chọn B

- Cấu trúc câu điều kiện : hành động đã xảy ra trong quá khứ dùng câu đk loại 3 :

If + S + had + V3 , S+ would/ could/ might(not) + have + V3