III, 1, Do you mind opening the windows?
2, The woman who is talking to Tam is Mrs Lien
3, The old lamp made in China is five dollars
4, Would you mind if I used your phone?
IV
1, Would you mind if I asked you a question?
2, Do you mind posting the letters for me?
3, The girls playing chess are Nga and Hoa
4, Most of goods made in this factory are exported