Exercise 1: Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation.
1. A. food B. look C. took D. good
2. A. sure B. sight C. sing D. same
3. A. nourish B. flourish C. courageous D. southern
4. A. naked B. sacred C. needed D. walked
5. A. chooses B. houses C. rises D. horses
giúp dùm mình cần gấp tối nay lúc 10h