Select the most appropriate option that can substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution required’.
I imagine you have learnt a valuable lesson from this experience, didn’t you?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. haven't you?
Incorrect sentence: I imagine you have learnt a valuable lesson from this experience, didn’t you?
A positive sentence is followed by a negative question tag and vice versa.
So, didn't you should be replaced by haven't you.
Correct sentence: I imagine you have learnt a valuable lesson from this experience, haven’t you?