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whenwesawhispaleface,i()what()A.realized,hadhappenedB.wasrealizing,washappeningC.realized,hashappenedDwasrealizing,hadhappened
题目内容：
when we saw his pale face ,i ( ) what ( )
A.realized,had happened
B.was realizing,was happening
C.realized,has happened
Dwas realizing,had happened优质解答
A
分析：因为四个选项REALIZE都用了过去时,而事情发生是在“意识到”之前,因此要用过去完成时态.此外,我们的语言习惯是说“意识到”,一般不说“正在意识到”,因此选A.
A.realized,had happened
B.was realizing,was happening
C.realized,has happened
Dwas realizing,had happened
优质解答
分析：因为四个选项REALIZE都用了过去时,而事情发生是在“意识到”之前,因此要用过去完成时态.此外,我们的语言习惯是说“意识到”,一般不说“正在意识到”,因此选A.
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