This is the place _____I have ever visited.
A. there
B. when
C. where
D. which
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Nobody knows the reason ______ she didn’t come to the meeting.
A. that
B. which
C. why
D. when
This is the house _______ I want to buy.
A. in which
B. that
C. whose
D. where
This is the house _______ our beloved Premier Zhou once lived and worked.
A. which
B. that
C. when
D. where
Is this factory ______ you worked at?
A. the one
B. which
C. that
D. where
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