[ Grammar ]
Mark Zuckerberg and his classmates ________ Facebook while he ________ Harvard University.
A. invented / attended
B. were inventing / attended
C. invented / was attending
D. were inventing / was attending
Select your answer:

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Vocabulary › Viewdensely populated area
A. birth rate
B. urban
C. immigrate
D. dictatorship
Adjective › View
Eve is …………………………………….. . Her clothes, books and toys are everywhere.
a.tidy
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c.untidy
d.intidy
