Rewrite the sentence without changing the meaning.

My elder brother was interested in improving his management skills. He becomes so successful now.

Đáp án chính xác: If my elder brother hadn't been interested in improving his management skills, he could not become so successful now.

Học sinh quan sát hình ảnh/ngữ cảnh và chọn đáp án đúng: If my elder brother hadn't been interested in improving his management skills, he could not become so successful now..