I. Find the word which has different sound in the underlined part in each line.

1. A.theater                 B.there                    C.through                 D.three

2. A.brother                B. father                  C.either                    D. anything

3. A.weather               B.earth                    C. than                     D. neither

4. A.though                B.thank                    C.throw                    D.thin

5. A. chess                 B. competition         C. tennis                   D. contest

6. A. match                B. active                  C. racket                   D. father

7. A. grandpa             B. badminton          C. place                     D. can

8. A. exercise             B. become              C. well                       D. net

9. A. how                   B. snow                  C. tower                     D. town

10. A. crowded          B. throw                 C. show                      D. snow