Combine the sentences: who,which, because , so
Mary was sitting in a chair. It suddenly collapsed.
Đáp án đúng là: Mary was sitting in a chair which suddenly collapsed
Giải thích: Đại từ quan hệ ‘which’ thay thế cho ‘a chair’
Dịch: Mary đang ngồi trên một cái ghế cái mà bống nhiên sập.
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 .’’