题目内容
Parents should take seriously their children’s requests for sunglasses _________ eye protection is necessary in sunny weather.
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解析:
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因主从句之间存在着逻辑上的因果关系,故须用从属连词 because,though表示让步;unless与if表示(否定)条件。 |
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题目内容
Parents should take seriously their children’s requests for sunglasses _________ eye protection is necessary in sunny weather.
[ ]
|
因主从句之间存在着逻辑上的因果关系,故须用从属连词 because,though表示让步;unless与if表示(否定)条件。 |
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