I wish to thank Professor Smith, without _______help I would never have got this far.
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who
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whom
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whose
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which
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(2013·重庆模拟)—When did your brother begin to show his interest in medicine? —It was a Saturday he noticed his classmate experimenting on a frog in the lab.
#75439
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that
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what
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when
D
which
In Canada, cross country skiing is a popular sport among people ______ they can enjoy excitement and adventure.
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that
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where
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whom
D
which
The freezing point is the temperature __________ water changes into ice.
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atwhich
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when
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inwhich
D
ofwhich
The house ________ I grew up has been taken down and replaced by an office building.
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that
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in that
C
which
D
in which
Living in the central American desert has its problems, ________ obtaining water is not the least .
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of which
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for what
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as
D
whose