Prevented the soil from erosion, the trees planted by the fanner many years before were what stopped the flood from reaching his house.
Kiến thức: Rút gọn 2 mệnh đề cùng chủ ngữ
Giải thích:
Khi rút gọn hai mệnh đề cùng chủ ngữ (the trees) mệnh đề được rút gọn mang nghĩa chủ động ta dùng V-ing.
Prevented => Preventing
Tạm dịch: Ngăn chặn sự xói mòn của đất, những cây được trồng bởi người cày ruộng nhiều năm trước là thứ đã ngăn được lũ lụt đến nhà ông.
Đáp án: A
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