39. Around when did slave trading start in Britain and the United States? (A) 1565 (B) 1665 (C) 1765 (D) 1865

41. What can NOT be inferred from this passage? (A) There was a massive slave need during seventeenth and nineteenth centuries. (B) The salves can speak a variety of English in order to communicate with their owners. (C) There are a lot of descendants of black slaves in Britain and the United States now. (D) The slave trade happens once a month and it cannot be done by paying bills.