1. Every person is thought to ____ a unique pattern of connections in their brain. 2. It has been suggested ____ in the future "brainprints" may be used instead of fingerprints. 3. It has been ____ that people who are paralysed can be trained to walk again. 4. Listening to music has ____ claimed to help people concentrate. 5. Special headphones are reported ____ be able to block out all sound. 6. ____ has been suggested that lack of physical exercise is a serious health threat. 7. The number of minutes of exercise we need to do in a week is estimated to ____ 150.

Passive reporting structures

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