Only if you put the sun ______ of the other planets in the sky make sense.

A.there are the movements                    B. there do the movements

C. are the movements                        D. the movements are there

Only if you put ______ sun there did the movements of the other planets in ______ sky make sense.

 Only if you put ______ sun there did the movements of the other planets in ______ sky make sense.

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