Rewrite the sentence without changing the meaning.

Mary did not put any effort into learning English. She cannot speak with foreign partners in this project now.

Đáp án chính xác: If Mary had put her effort into learning English, she could speak with the foreign partners in this project now.

Học sinh quan sát hình ảnh/ngữ cảnh và chọn đáp án đúng: If Mary had put her effort into learning English, she could speak with the foreign partners in this project now..