IT WASN‟T AN AWFUL EXPERIENCE. IT WAS THE WORST THING _________HAS...

27. - ĐỀ CƯƠNG ON HK 1 LOP 12(KEYS)
ĐỀ CƯƠNG ON HK 1 LOP 12(KEYS)
27.It wasn‟t an awful experience. It was the worst thing _________has ever happened to me. A. which B. that C. what D. why