And why Hongkonger's English is becoming worse?
And why Hong Kong's english textbooks is much easier than other places?
更新1:
the 002 answer you said people only can learn 1 to 2 languages in the same time is the best? and why singapore can learn 4 languages are also their english is very best? and HK and singapore are also a British Colony in the past? And HK and singapore are also the society of 華人?