Common Error Detection
In a first of its kind study, / a team of scientist have tried to / 'grow' new stem cells in / the ear that get damage with age.

a team of scientist have tried to
In a first of its kind study,
'grow' new stem cells in
the ear that get damage with age

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Common Error Detection
Find out whether there is any grammatical error in below sentence.I had hoped to have met him yesterday / to discuss the matter with him / but he was not in his house, and so I could not meet him.

No error
but he was not in his house, and so I could not meet him
I had hoped to have met him yesterday
to discuss the matter with him

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