Botanists are not sure where the first plant was grown or even _______. ( 章节：1 难度：4)
- A、what plant was
- B、it was what plant
- C、what plant was it
- D、what plant it was
正确答案:D
答案解析:有
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Botanists are not sure where the first plant was grown or even _______. ( 章节：1 难度：4)
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