Question

My shop is right _______ the main raod.

Answer 1

Answer:

 My shop is right ___to____ the main road

Explanation:

Answer 2

My shop is right to the main road.

Explanation:

• A preposition is one of the eight parts of speech. This usually relates to the subject with time or place metrics.  
• Here the shop is the noun. The shop is somewhere near the main road. The exact position is established using the word 'To'.  
• The sentence can also be re-framed as " My shop is to the right on the main road" , which makes the sentence even more clear.

To learn more:

What is parts of speech

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what is meaning of preposition  

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