Listening Quiz: Phát Hiện Vật Thể Lạ Trong Món Ăn – Medium Level

1. What problem did William report with a customer’s meal?
2. Where was the salad prepared?
3. What is the most likely source of the plastic piece?
4. Why does Olivia say, ‘We must avoid this problem in the future’?
5. What will William do next?

Luyện tập thêm về bài học này: