—  Nobody. She learned it by _________.

Yesterday my sister Tonia and I went to the shop to buy{#blank#}1{#/blank#}some ice-cream．On the way home，Tonia fell down and hurt {#blank#}2{#/blank#}and I cut{#blank#}3{#/blank#}on some broken glass．When we got home，my brother and his friends were enjoying{#blank#}4{#/blank#}playing in the garden．My brother shouted，“Look at {#blank#}5{#/blank#}”，and he began to laugh at us．I couldn't know why．When we looked at {#blank#}6{#/blank#}in the mirror ,we saw why．Our faces were covered with ice-cream．

—Nobody. We have to depend on ____________.