Choose the sentence which has the closest meaning to the original one.

He worked the whole night last night. His eyes are red now.

Đáp án chính xác: If he hadn't worked the whole night last night, his eyes wouldn't be red now.

Học sinh quan sát hình ảnh/ngữ cảnh và chọn đáp án đúng: If he hadn't worked the whole night last night, his eyes wouldn't be red now..