It was in the street ____ I met him last week.
A. where
B. that
C. who
D. which
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It was Peter ____ answered the question.
A. who
B. which
C. what
D. whose
____ was this problem that a young scientist solved two years ago.
A. This
B. That
C. It
D. He
It is Lucy ____ starts to work at 9 o'clock.
A. who
B. whose
C. which
D. what
No____ no right to speak.
A. investigation
B. investigate
C. investigating
D. investigated
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