摘要： Scientists have many theories about how the universe into being. A. came B. was coming C. had come D. would come
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Scientists have many theories about how the universe ___ into being.
A. came B. was coming
C. had come D. would come
查看习题详情和答案>>Scientists have many theories about how the universe ___ into being.
A. came B. was coming
C. had come D. would come
查看习题详情和答案>>Scientists have many theories about how the universe ___ into being.
A. came B. was coming
C. had come D. would come
查看习题详情和答案>>