Which is the best phrase for this sentence? In which extent or To what extent?
This is the sentence:
______________ has the homicide unit looked into the serial murders? I have doubts because the possibilities are: a) in which extent or b) to what extent.
In my opinion it is TO WHAT EXTENT because it's a general question, what do you think? Thanks in advance for your help.
Top answer
You are correct.
— Rover_KE
You are correct.
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