Help Alex finish his email to a recruiter! Choose the correct word to complete his professional sign-off.

Thank you for taking the time to review my application. I look forward to _____ from you soon.

The correct answer is hearing.

In the fixed business expression "look forward to," the word "to" acts as a preposition, not part of an infinitive verb. Therefore, it must be followed by a noun or a gerund (an -ing verb acting as a noun).