Read the text about a rare disease. Complete the sentences by transforming the words in brackets so that they match the content lexically and grammatically.

Write one word in each gap.

Foreign accent syndrome

The [ ] (research) don't know for sure why this syndrome appears. Most of them believe it develops because of brain damage. The person with this syndrome starts to pronounce words from their native language in a [ ] (complete) [ ] (differ) way, which makes them sound like a [ ] (foreign). People with this syndrome complain about numerous [ ] (not / understand) and being [ ] (laugh) at.