Given below are a few questions with three sentences in each of them which may or may not contain errors in them. You have to find the sentence which has or have errors in them and mark your answers accordingly. If none of the sentence contains errors then choose option E as your answer.
A. He's fond to play the guitar and spends hours practicing in his room.
B. She is excited for joining the new dance class starting next week.
C. Not only the children but also the adults participated actively in the event.

Solution A. The error in this sentence is "fond to play." The correct form is "fond of playing." The preposition "of" is used after the adjective "fond" Corrected Sentence A: "He's fond of playing the guitar and spends hours practicing in his room." B. The error in this sentence is "excited for joining." The correct form is "excited about joining." The preposition "about" is commonly used after the adjective "excited." Corrected Sentence B: "She is excited about joining the new dance class starting next week." C. There is no error in this sentence.