She is old. She can work by herself. (enough)
She is old. She can work by herself. (enough)
She is old. She can work by herself. (enough)
Đáp án: She is old enough to work by herself.
Giải thích: be adj enough to V: ...đủ để làm gì
Dịch: Cô ấy đủ lớn để tự làm việc.