(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
Lincoln’s mother did ___ many books ___ him.
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A
what she had buy, to
B
what she could buy, for
C
all that she had to buy, to
D
all she could buy, for
Jack’s dad told him he could have________ he wanted for Christmas.
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A
however
B
whatever
C
whichever
D
whenever