You went to London last week, ...... ?
Understand the Problem
The question is asking about the correct tag question to complete the statement regarding a past action of going to London. This involves understanding English grammar, specifically tag questions.
Answer
didn't you
The final answer is didn't you.
Answer for screen readers
The final answer is didn't you.
More Information
The sentence uses a question tag, which is formed with the auxiliary verb 'did' followed by 'not', making the tag question 'didn't you'.
Tips
A common mistake is using 'aren't you' as a tag, which doesn't match the past tense verb 'went'.