Find the word which has a different sound in the underlined part in each line. Say the words aloud

Find the word which has a different sound in the underlined part in each line . Say the words aloud.
1. A.brainstorm    B.sailing    C.railway     D.captain
2. A.plane            B.safety    C.traffic       D.station
3. A.vehicle          B.mention  C.enter      D.helicopter
4. A.hey               B.honey    C.obey       D.grey
5. A.healthy          B.ahead    C.bread     D.seatbelt