Listen to the sentences and complete them with the correct word or words (there will be between 1 and 4 missing).
Spelling is important both in the OET and in your working lives, and this exercise will help you to improve.

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The bacterium responsible for the infection was identified.
The survey collected demographic information such as age and gender.
The placebo effect is a well-known phenomenon.
The patient experienced consecutive days of fever.
With proper training, you’ll be capable of managing your condition.
Let’s consider this issue from a different perspective.
The goal of treatment is to restore normal function.
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