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问题: 一道专四单选题~

We could not obtain any exact information_____ where she was.
A.as to
B.except
答案是A
B为什么不行?我觉得也能翻译的通啊~!?

解答:

这里这个填空是"关于"的意思,所以决不能用except.这时候as to 后面可以接间接疑问句,如:
Great doubt exists as to which of these proposals
is practical.
I'm afraid you have to be on your guard as to what
you say and do before Mary.
如果用except后面只能接that子句,不定式或原形动词,现为间接疑问句where she was,当然不行.一个句子是否正确,不光是意思上说得过去就可以了,要做全面分析.