Circle the word having different sound in the underlined part

EX1: Circle the word having different sound in the underlined part.

1. A. tennis                              B. educate            C. programme                D. helpful

2. A. skyscraper            B. university         C. leisure                        D. most

3. A. palace                             B. tournament      C. racket                        D. active

4. A. who                       B. when                         C. where                        D. what