Fill in the gap to complete the sentence : I shall ---- the sum before the teacher comes.
Fill in the gap to complete the sentence : I shall ---- the sum before the teacher comes. Correct Answer have done
Future perfect tense. এর গঠন, subject + shall + have + verb এর p.p form + ob. + ext. সুতরাং have done - ই সঠিক উত্তর।