LIST I | LIST II | ||
| A | The boy who came here is my brother. | I | Noun clause |
| B | I want to know who came here. | II | Adjective clause |
| C | I want to know who came here. | III | Adverb clause came to meet me |
| D | Please tell me who came to meet me. | IV | Noun |
Fill in the blank with the correct option.
The teacher believed that the student’s sudden lack of interest in class was an ..........., as he had always been enthusiastic and attentive.