13 Choose the word whose stressed pattern is pronounced differently from the others. A: currency B: computer C: pollution D: allowance 14 Choose the best answer A, B, C or D to complete the sentence. Question 11. Alexander Graham Bell was a great___________, who invented the telephone. A: explorer B: conservationist C: developer D: scientist 15 Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. Question 13. Helen: “What a lovely house you have!” Mary: “__________________” A: No problem B: I think so. C: Thank you. Hope you will drop in. D: Of course not. it’s not costly. 16 Choose the underlined part A, B, C or D that needs correcting. Picture 5 A: A B: B C: C D: D 17 Choose the word whose stressed pattern is pronounced differently from the others. A: immature B: negative C: nationality D: creativity