Correct option is C
The correct option to fill in the blank is (C) bought.
Explanation: The sentence mentions “Last year,” indicating a completed past action. Hence, the simple past tense "bought" is appropriate.
Example: Last year, I bought a house in Shimla.
Bought (हिंदी अर्थ): खरीदा
Meanings of the other options:
· A - Buy: To purchase (Present tense – खरीदना)
· B - Was buying: Past continuous tense – (खरीद रहा था)
· D - Have bought: Present perfect – (खरीद चुका हूं/है)
Information Booster: Use simple past for actions completed at a definite time in the past, especially when time markers like "yesterday", "last year", etc. are used.