the old lady's hand shook frequently.She explained to her doctor_____this shaking had begun half a year before,and ____,only because of this ,she had been forced to give up her job.a.when ,howb.how,whenc.how,howd.why ,why
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the old lady's hand shook frequently.She explained to her doctor_____this shaking had begun half a year before,and ____,only because of this ,she had been forced to give up her job.a.when ,howb.how,whenc.how,howd.why ,why
the old lady's hand shook frequently.She explained to her doctor_____this shaking had begun half a year before,and ____,only because of this ,she had been forced to give up her job.
a.when ,how
b.how,when
c.how,how
d.why ,why
the old lady's hand shook frequently.She explained to her doctor_____this shaking had begun half a year before,and ____,only because of this ,she had been forced to give up her job.a.when ,howb.how,whenc.how,howd.why ,why
C
分析:首先第一个空是一个宾语从句,分析宾语从句从三点基本知识点考虑:引导词,语序和时态.这里考引导词.而第一个空后面用了完成时,而完成时决不能和when连用(后面的空也是完成时),排除A B.再看D,看医生就是找手发抖的原因的,如果她能解释原因还用得着看医生么.排除D
综上所述,选C最好!
b
c
D