Joe has a {#blank#}1{#/blank#}. Dad takes him to see the dentist. Joe is very afraid. But the dentist is very {#blank#}2{#/blank#}. She gives Joe some {#blank#}3{#/blank#} and asks him to brush his teeth after each meal. At {#blank#}4{#/blank#}, she tells a joke. Joe {#blank#}5{#/blank#} and he isn't afraid any more.

He will take good care of his teeth in the future.

       A.on Sunday morning

      B.on Saturday afternoon

      C.on Sunday afternoon

       D.on Saturday morning

       E.on Sunday evening