Question

Which sentence does not contain any punctuation errors? A. Would you agree that Chicago Illinois, and Los Angeles California, are expensive places to live? B. Would you agree that Chicago Illinois and Los Angeles California are expensive places to live? C. Would you agree that Chicago, Illinois, and Los Angeles, California, are expensive places to live? D. Would you agree that Chicago, Illinois and Los Angeles, California are expensive places to live? A!?

Answer 1

"D. Would you agree that Chicago, Illinois and Los Angeles, California are expensive places to live?" is free from errors. Cities should be separated from their states by commas.