Here are the answers for each question based on the pronunciation of the underlined parts:

1. **C. pict**u**re** - The underlined "u" is pronounced /jʊr/ (like "yur"), whereas the other options have /ɜr/ or /ʌr/ (like "ur").

2. **A. a**b**out** - The underlined "a" is pronounced /ə/ (like the "a" in "about"), while the others have the pronunciation /æ/ (like in "cat").

3. **D. pard**o**n** - The underlined "o" is pronounced /ɒr/ or /oʊ/ (like in "own"), while the others have the pronunciation /ə/ or /ʌ/ (like in "mother" or "freedom").

4. **C. c**o**r** - The underlined "o" is pronounced /ɔː/ (like in "or"), whereas the others have /ʊ/ for "wo".

5. **A. neighb**o**ur** - The underlined "ou" is pronounced /əʊ/ (like in "ow" in "cow"), while the others have the pronunciation /ɔːr/ (like in "tour").

So the answers are:
1. C
2. A
3. D
4. C
5. A