It was Peter ____ answered the question.
A. who
B. which
C. what
D. whose
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____ 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
We should ____ everyone in our class.
A. getting along
B. get along with
C. get along
D. getting along with