找出画线部分读音与其余不同的选项
ea（ ）1.A.bread B.teach C.beach D.cream
ea ( ) 2.A.breakfast B.head C.sweater D.great
u ( ) 3.A.must B.put C.pulic D.suddenly
o ( ) 4.A.smoke B.note C.costume D.mobile
ou ( ) 5.A.cousin B.should C.touch D.country