This math question is too difficult. Can you help me ________?

题型：单选题题类：常考题难易度：普通

山东省烟台市龙口市兰高镇兰高学校2018届九年级上册英语期中考试试卷

A、work on it B、work out it C、work it out D、work for it

举一反三

One student showed {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} a balanced diet last year in her vlog .

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