MY FRIEND’S SISTER SAID THAT ________ WAS REALLY HARD WORK.A. TEAC...

12. - DE KIEM TRA 1TIET BAI SO 2
DE KIEM TRA 1TIET BAI SO 2
12. My friend’s sister said that ________ was really hard work.A. teaches B. teaching C. teach D. to teachIII. Choose the underlined word or phrase(A, B, C,D) that needs correcting