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book Business English 10th Edition by Mary Ellen Guffey,Carolyn Seefer cover

Business English 10th Edition by Mary Ellen Guffey,Carolyn Seefer

النسخة 10الرقم المعياري الدولي: 978-0324789744
book Business English 10th Edition by Mary Ellen Guffey,Carolyn Seefer cover

Business English 10th Edition by Mary Ellen Guffey,Carolyn Seefer

النسخة 10الرقم المعياري الدولي: 978-0324789744
تمرين 9
Insert necessary commas. For each sentence write, in the space provided the number of commas that you inserted. If the sentence is correct, write C. Be prepared to explain each comma.
In 2009 an estimated 200 billion e-mail spam messages were sent each day. ________________
التوضيح
موثّق
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Business English 10th Edition by Mary Ellen Guffey,Carolyn Seefer
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