I. Choose the word that has the underlined part pronounced differently from that of the others.

1. A. diverse B. drive C. invention D. crime

2. A. nature B. poverty C. question D. future

3. A. convenient B. social C. ocean D. special

4. A. designs B. sails C. pedals D. pollutes

5. A. measure B. breakfast C. appear D. spread

II. Find the word which has a different stress pattern from the others.

l. A. another B. plentiful C. dangerous D. limited

2. A. attention B. pollution C. holiday D. effective

3. A. expensive B. different C. abundant D. convenient

4. A. petroleum B. advantage C. enormous D. tendency

III. Choose the best options to complete these sentences.