(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.
#66732
A
which 
B
whose
C
where 
D
whom
推荐题目
 You’d better make a mark ______ you have any questions.
#71971
A
at which
B
at where
C
the place
D
where
—What’s that building?—       the medical equipment is stored.
#72607
A
There’s in which
B
That’s where
C
The building that
D
That’s the building which