Question

The thief ran ___ the staircase and out into the yard.
Fill in each blank with an appropriate word:

Answer 1

The correct answer is : down.

Explanation:

• In the given question, down, is the appropriate preposition.  
• A preposition is a part of speech placed in front of a noun or a pronoun.
• It is responsible for showing a relation between two phrases.  
• Some nouns or pronouns show a particular preference to be with a particular preposition. They are called Appropriate Prepositions.  

Answer 2

the thief ran though the staircase