4 Complete the sentences with the words from 3.

Reading

1. This machine collects about your heart and temperature every day.


2. This raincoat uses a special that does not let water in.


3. Doctors and scientists have to create a new type of medicine.


4. These can measure electrical activity in your brain.


5. You can pay for the socks with your card by the card on the machine.


6. Some are more expensive than others, but they are often better quality.


7. I love your clothes - you're so.