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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

Scientists have many theories about how the universe ___ into being.

A. came      B. was coming

C. had come   D. would come

Scientists have many theories about how the universe ___ into being.

A. came      B. was coming

C. had come   D. would come

Scientists have many theories about how the universe ___ into being.

A. came        B. was coming       C. had come   D. would come

Scientists have many theories about how the universe ___ into being.

A. came        B. was coming       C. had come   D. would come

Scientists have many theories about how the universe????????? into being.

A. came??????????? B. was coming??????? C. had come?????? D. would come

Scientists have many theories about how the universe ___ into being.

A. came      B. was coming

C. had come   D. would come

 Scientists have many theories about how the universe ___ into being.

A. came      B. was coming

C. had come   D. would come

Scientists have many theories about how the universe ___ into being.
A. came      B. was coming
C. had come   D. would come

 Scientists have many theories about how the universe ___ into being.

A. came                                     B. was coming

C. had come                               D. would come