He is late again I dont know the reason why26/40Mark 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. He is late again. I don't know the reason why.I don't know the reason why he is late again.Why he is late again is I don't know the reason.Why I don't know the reason he is late.The reason why he is late again I don't know.Giải thíchĐáp án: A Dịch: Anh ấy lại đến muộn. Tôi không biết lý do tại sao.