They succeeded by ________ hard.
- Work
- Continuous
- Working
- Works
Explanation
By is a preposition here.
We generally use verb + ing after a Preposition.
They succeeded by working hard.
AGM 5.2.23
By is a preposition here.
We generally use verb + ing after a Preposition.
They succeeded by working hard.
AGM 5.2.23
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