**Question 1:** The correct answer is **D. fine**. The underlined part "i" in "fine" is pronounced as /aɪ/, while the underlined "i" in "drink", "think", and "bring" is pronounced as /ɪ/.

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**Question 2:** The correct answer is **A. culture**. The "t" in "culture" has a different pronunciation from the "t" in "student," "distance," and "mistake," all of which pronounce the "t" as a clear /t/ sound, whereas "culture" has a /tʃ/ sound.

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**Question 3:** The correct answer is **D. succeed**. It has two syllables and the stress is on the second syllable (suc-Ceed), while the other options (broaden, provide, and pursue) have the stress on the first syllable.

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**Question 4:** The correct answer is **C. educate**. It has three syllables with stress on the first syllable (ED-u-cate), while the other words (important, domestic, increasing) have stress on the second syllable.

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Overall answers:
1. D
2. A
3. D
4. C