Directions: Fill in the space with an infinitive:
It is easy _____ but hard to finish.
- Ato end
- Bto fall
- Cto lose
- Dto begin
Solution & Step-by-step Explanation
The sentence presents a semantic contrast using the coordinator 'but'. The antonymic counter-part of "to finish" is "to begin". Thus, "It is easy to begin but hard to finish" completes the logical parallel structure perfectly.