Câu hỏi:

The passage below contains 5 errors. IDENTIFY and CORRECT them. (0) has been done as an example.

After an absence in thirty years, I decided visiting my old school again. I had expected to find changes, but no a completely different building. As I walked up the school drive, I wondered for a moment if I had come to the right address. The grimy, red brick fortress with their tall windows that had looked down grimly on the playground and playing fields had swept away. In its place stood a bright, modern block raised from the ground on great concrete stilts. A huge expanse of glass extended across the face of the building, and in front, there was a well-kept lawn where previous there had been an untidy gravel yard.

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