Đáp án đúng là: Nam didn’t go to school because he was ill.
Giải thích: because +S+V: bởi vì
Dịch: Nam không đến trường bởi vì anh ấy bị ốm.
Choose the suitable word or phrase to each sentence by circling a, b, c, d
He was unhappy beacause he…………in the exam.
“why are you staying home today ?’’’ …I don’t know where to go .’’