问题
选择题
______ you put the sun there did the movements of the other planets in the sky make sense. [ ]
A. Only if
B. Even if
C. If
D. If only
答案
答案：A
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______ you put the sun there did the movements of the other planets in the sky make sense. [ ]
A. Only if
B. Even if
C. If
D. If only
答案：A