I want to buy a piano of high quality, _____ I can practise on every afternoon.
#73474
A
that
B
so that
C
what
D
one
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It was quite a serious mistake, ____caused by carelessness. 
#73080
A
which I think was
B
I think which was
C
which I think it was
D
I think which it was
Mrs. Black took the police back to ______ place ______ she witnessed the robbery.
#71508
A
the same; as
B
the same; where
C
the same; that
D
as the same; as
I wonder how many years ago ___________.
#69164
A
did your father retire
B
has your father retired
C
your father retired
D
your father has retired