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1. Change the following sentence in to present perfect : I do the sum
- A. I have done the sum
- B. I have done the sum
- C. I have done the sum
- D. I have done the sum
Answer: Option A
Explanation:
Present perfect tense - এ Subject - এর পর have/has এবং মূল verb - এর past participle হয়। সুতরাং সঠিক উত্তর (ক) ।
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