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.

The laser treatment will target the affected area.
Exposure to certain chemical agents can be harmful.
Lifestyle changes can alter your risk of developing certain diseases.
The generic version of the medication is equivalent in efficacy.
This formula calculates your body mass index.
The research grant will fund the study.
The nurse practitioner will assist in your care.
We’ll orient you to the layout of the hospital for your convenience.
Check