A solar day is the length of time _______ the Earth to revolve once around the Sun. ( 章节：1 难度：4)
- A、takes
- B、takes it
- C、it takes
- D、he takes
正确答案:C
答案解析:有
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A solar day is the length of time _______ the Earth to revolve once around the Sun. ( 章节：1 难度：4)
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