Common Error Detection
Find out whether there is any grammatical error in below sentence.What does Professor Dhavan / spend so many hours / in the laboratory?

No error
spend so many hours
What does Professor Dhavan
in the laboratory?

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Common Error Detection
Find out whether there is any grammatical error in below sentence. There was very heavy rain last night, / and the rivers have overflown their banks / causing severe hardship to the people living by them.

There was very heavy rain last night,
No error
causing severe hardship to the people living by them
and the rivers have overflown their banks

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