people in the world are sending and receiving e-mails every day. A. Three millions of B. Three mi——青夏教育精英家教网——

题目内容

________ people in the world are sending and receiving e-mails every day.

A. Three millions of
B. Three million of
C. Million of
D. Millions of

试题答案

D

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________ people in the world are sending and receiving e-mails every day.

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