4. Use the words in the box to fill in the blanks in these sentences.
You don't need all of them.
toothache injection tablets disease
thermometer operation doctor prescription
The old man needed an ... on his heart. He feels much better now.
She suffers from a terrible ...
He told the ... his symptoms.
I caught a cold and must take three ... of Vitamin C a day.
The doctor wrote a ... and gave it to me.​