In the following questions, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No error'.
I finished my household chores (1)/ before he reached (2)/ to my place after so long. (3)/ No Error (4)

Answer

3

Explanation

When two events happen in the past, the first event is expressed in Past Perfect
Hence, I had finished my household chores is the right usage.