Question

Difficulty: EasyPrepositions and Prepositional Phrases

Read the sentence below carefully. Which preposition correctly fills the blank space?

Answer:The school principal warmly congratulated the debaters 【on】 their outstanding victory at the regional competition.

Answer

The correct preposition to fill the blank is 'on'.
The transitive verb 'congratulate' takes the fixed preposition 'on' to introduce the achievement or occasion being celebrated.

Step-by-Step Solution

1
Identify the head verb in the sentence and its required dependent preposition.
The verb 'congratulated' requires a specific preposition when referencing the reason or event for praise.
In Standard English grammar, 'congratulate' collocates strictly with 'on' (e.g., 'congratulate someone on something').

Key Concept

Dependent Prepositions with Verbs
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