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 laboratory apparatus is used for conducting experiments.
The virus can invade host cells and replicate.
I’ll brief you on what to expect during the surgery.
The tumour’s growth may expand and cause further complications.
The drug is administered via the oral mode.
Aggressive treatment may be necessary for rapid recovery.
The treatment was challenging nevertheless, the patient remained optimistic.
Pathology examines the causes and effects of diseases.
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