四級(jí)英語作文萬能模板：手機(jī)用量

★英語資源頻道為大家整理的四級(jí)英語作文萬能模板：手機(jī)用量，供大家參考。更多閱讀請(qǐng)查看本站英語資源頻道。
    Directions：Study the following graph carefully and write an essay in which you should
    1) analyze the graph, and
    2) give your comments on the trend. 