Correct option is C
Option (c) "hard" is the correct answer. The adverb "hard" aptly describes the manner of Ramees's work, emphasizing effort and perseverance, which is fitting for the context of preparing for an entrance exam.
· "Hard": means with a lot of effort and intensity.
· Hindi meaning: कठिनाई से
· Example: She works hard to support her family.
Meanings of the other options:
·
Different: Not alike in character or quality; distinct in nature. It does not fit logically into the sentence as it does not describe the manner of working.
·
Early: Happening or done before the usual or expected time. This adverb relates to time rather than effort.
·
Important: Of great significance or value. It is not relevant in describing how someone works.