Incorrect: It is the most excellent book.
Correct: It is an excellent book.
Incorrect: Twenty-five kilometers are a long distance.
Correct: Twenty-five kilometers is a long distance.
Incorrect: Is the room enough large to accommodate 20 boys?
Correct: Is the room large enough to accommodate 20 boys?
English Avenue spoken english class in Bhubaneswar to know more about spoken english and GD/PI classes call us at 8984293032.