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 molecular structure of the protein was determined using X-ray crystallography.
The doctor prescribed a new drug to manage the patient’s symptoms.
The laboratory will assay the blood samples for the presence of antibodies.
The rapid test yielded a false positive result for HIV.
The virus’s source is believed to be animal-to-human transmission.
The surgeon will channel the blood flow away from the affected area during the procedure.
The doctor will task the patient with monitoring their blood sugar levels at home.
The dopamine receptor is a target for antipsychotic medications.
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