One major obstacle is the city's high population density. With over 7 million people living in an area of just 1,104 square kilometers, Hong Kong is one of the most densely populated cities in the world. This puts a strain on infrastructure and services, making it difficult to implement sustainable practices.
Task 2:
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Choose one of the following writing tasks and write a response of about 250-300 words. english mock paper dse updated
Read the following passage and correct the errors in grammar, punctuation, and spelling. Then, complete the gaps with suitable words or phrases. One major obstacle is the city's high population density