Xi’an was the last city ______ he visited when he came to China.
#70197
A
where
B
which
C
that
D
in which
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I have a lot of books, half of ______ novels.
#73448
A
which
B
that
C
whom
D
them
Soon John came to a house _____ must be Kate’s .
#71943
A
where he thought
B
which he thought
C
he thought it  
D
where he thought which