17 After living in London for a few months, Emma finally ....... driving on the left.

Rationale:

• The sentence describes adapting to a new situation over time.
• 'Got used to' means to become accustomed to something.
• 'Used to' refers to a past habit. 'Was used to' means was accustomed to. 'Got used to' implies the process of becoming accustomed, which fits the context of 'after living for a few months'.

Answer: B got used to