This painting is splendid,but( )we actually need it is a different matterA that B what C whether D how 选哪个 英语老师讲评的时候选A 然后我说C 她说不能选C 叫我别看百度的.给理由 选什么
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很高兴为您解答----------
C whether 是正确选项.
这里绝对不能用that.后面的句子中,缺少主语,填whether,引导主语从句.
知识点延伸---------
1,whether we actually need it,whether 是从属连词,意思为“是否”,只起引导作用,在句子中不充当任何成分,在这里引导的是主语从句,与前文构成转折关系.但选项A,that虽然也可以引导主语从句,也不充当成分,但它是无法表达出这个意思的,无法表达转折关系.
2,请楼主记住：疑问词whether / how / where / when +what...+主语从句+is a matter / question / problem.这种“主(语从句)---------系-----------表”结构是疑问词wh-引导主语从句的固定格式,而that是不能用在这种句式的.
试比较--------
Whether / How he will e is a question.
What you say is a quetion,but what you do is another.
That China is a developing country is well known.
That we students must go to school in time is a rule.
句子翻译：这幅画固然很美,可我们是否需要它又是另一回事了.意思是,我们不一定需要它.
谨祝-----------
好好学习,天天进步!