Student A: ______________ any volunteer work? Student B: Yes, I ______________ at a soup kitchen in May.Đoạn văn9/55Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. Student A: ______________ any volunteer work? Student B: Yes, I ______________ at a soup kitchen in May. Did you do / was volunteeringAre you doing / volunteeredHave you ever done / have volunteeredHave you ever done / volunteeredGiải thíchChọn D