How universe came into being is a puzzle to scientists of all generations. A. the;——青夏教育精英家教网—

摘要： How universe came into being is a puzzle to scientists of all generations. A. the; 不填 B. an; the C. a; 不填 C. 不填,the

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How ______ universe came into being is a puzzle to ______ scientists of all generations.

A. the; 不填 B. an; the C. a; 不填 C. 不填；the

How ______ universe came into being is a puzzle to ______ scientists of all generations.

A. the; 不填 B. an; the C. a; 不填 C. 不填；the

How ______ universe came into being is a puzzle to ______ scientists of all generations.
A. the; 不填 B. an; the C. a; 不填 C. 不填；the

How ______ universe came into being is a puzzle to ______ scientists of all generations.

A. the; 不填 B. an; the C. a; 不填 C. 不填；the

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