Choose the word having the underlined part pronounced diffrently in each line

I. Choose the word having the underlined part pronounced diffrently in each line.

1. A. both                    B. smooth                    C. teeth                       D. fourth

2. A. southern             B. neither                    C. thus                         D. third

3. A. cold                    B. sold                         C. shop                        D. most

4. A. smile                   B. time                        C. kite                         D. miss

5. A. reply                   B. shy                          C. worry                      D. dry