Most birds find it safe to sleep in the trees, but they have eggs or young chicks, they don’t use a nest.
A. why
B. how
C. unless
D. where
Most birds find it safe to sleep in the trees, but they have eggs or young chicks, they d
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解决时间 2021-12-30 02:08
- 提问者网友：暮烟疏雨之际
- 2021-12-29 02:25
最佳答案
- 五星知识达人网友：山君与见山
- 2021-12-29 02:42
A. whyB. how(答案→)C. unlessD. where解析：将四个选项的意思分别套入句中，只有填unlessunless时意思最通顺。为便于理解，句子也可转换成：Most birds find it safe to sleep in the trees, but they don’t use a nest unless they have eggs or young chicks.
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- 1楼网友：轮獄道
- 2021-12-29 03:21
好好学习下
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