Bài tập Tiếng Anh 9

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Mai: Hey Scott! How was your holiday?
Scott: It was great. (1)
Mai: It is. However, there are many problems ________________.
Scott: Really? (3)
Mai: First, the city is overpopulated, which has led to traffic congestion.
Scott: I see. What are the other problems?
Mai: Well, London suffers from air pollution.
Scott: Those are some of the most polluted places in the UK, ______________?
Mai: I hope so.
Scott: Sure! You’ll always be welcomed!