He had written the book before he ----?
ক) retired
খ) had retired
গ) has retired
ঘ) will be retired
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ক) was sunk
খ) drowned
গ) was drowned
ঘ) sank
ক) She doesn't attend class regularly
খ) They don't attend class regularly
গ) She don't attend class regularly
ঘ) She does attend class regularly
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