1.find the word has a different sound in the part underlined.

1. A.cats              B.desks                                  C.bikes                                D.pencils

2. A.lamps           B.sofas                                  C.walls                                 D.beds

3.A.maps           B.clocks                                 C.chairs                                D. attics

4. A.students      B.apples                                 C.caps                                 D.flats

5. A. laughs          B.thinks                                    C.breaths                           D.cleans