根据课文内容，给下列句子排序。({#blank#}1{#/blank#})Helen often got angry.
({#blank#}2{#/blank#})Anne wants to teach Helen words.
({#blank#}3{#/blank#})Helen fell ill and became deaf and blind
({#blank#}4{#/blank#})Anne became Helen's friend.
({#blank#}5{#/blank#})Her parents didn't know how to help her.
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