British scientists have produced ___ they believe is the world's smallest Christmas card. A.which
British scientists have produced ___ they believe is the wor
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解决时间 2021-05-21 16:50
- 提问者网友:星軌
- 2021-05-21 03:52
最佳答案
- 五星知识达人网友:杯酒困英雄
- 2021-05-21 04:38
选what
理由 作宾语从句中的主语.
再问: 为什么不选which呢
再答: which是指在特定的范围内进行选择;在名词性从句中常作定语; what不指定范围,可指代任何事物,在名词性从句中常作主宾表语。 eg I dont know what he will tell me. I don't know which book is better.
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