people in the world are sending information by E-mail every day.

题型：单选题题类：常考题难易度：普通

初中英语牛津版（深圳·广州）七年级下册Module 2 Man's best friends unit 4 Save the trees同步测试

A、Several millions B、Several million C、Many millions of

举一反三

—Yes. My grandfather was one of them. He went there in his .

{#blank#}1{#/blank#} {#blank#}2{#/blank#}people leave the countryside to work in the cities every year.

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