(2014·山西省六所重点中学模拟)—Believe it or not,my sister and I are twins.—Oh,you must have had the case________you were taken for your sister.
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A
which 
B
whose
C
where 
D
whom
推荐题目
We’ll have to finish it , _____________.
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A
however it takes long
B
however long it takes
C
no matter how it takes
D
no matter how long does it take
_________, I have to put it away and focus my attention on study this week.
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A
However the story is amusing
B
No matter amusing is the story
C
However amusing the story is
D
No matter how the story is amusing