He was so old that he couldn't run fast. => _____________________________ (too)
He was so old that he couldn't run fast.
=> _____________________________ (too)
Đáp án: He was too old to run fast.
Giải thích: be too adj to V: quá...để làm gì
Dịch: Anh ấy quá già để chạy nhanh.