In the following question, one part of the sentence may have an error(s). Find out the part of the sentence having an error and select the appropriate option. If a sentence is free from error, select 'No error' as your answer.
The decoration of the new office block (1)/, including the furniture and curtains (2) / are most pleasing. (3)/ No error (4)
1
1
2
2
3
3
4
4