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trong số các phần gạch chân mỗi câu chỉ có một phần gạch chân có lỗi sai, tìm và sửa :
a) we believe that students with disabilities should offer support to do the things they like.
b) these companies were accused off having released a large amount of carbon dioxide into the atmosphere.
a) we believe that students with disabilities should offer support to do the things they like.
b) these companies were accused off having released a large amount of carbon dioxide into the atmosphere.