（） is quite natural,a beginner can't read the books written in English very quickly. ( 章节：1 难度：2)
- A、Which
- B、As
- C、What
- D、It
正确答案:B
答案解析:有
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（） is quite natural,a beginner can't read the books written in English very quickly. ( 章节：1 难度：2)
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