Sentence improvement (remove incorrect preposition with “despite”): fix opener expressing concession Original sentence: "Despite of their differences on matters of principles, they all agree on the demand of hike is salary?" Choose the option that correctly starts the sentence.

Concept
Despite (and in spite of) are prepositions of concession. Despite is used without “of”: “Despite their differences …”.

Option analysis
Despite their — correct start: preposition + determiner + noun. ✅Despite of the/for/off — ungrammatical with “despite”.No correction required — original contains the error “Despite of”.

Common pitfalls

• Mixing the forms: Despite (no “of”) vs. In spite of (requires “of”).

Final Answer
Despite their differences …