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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.
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that
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what
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when
D
which
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He still remembers the days ______ he spent with your family.
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when
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where
C
that
D
on which
Alice stood in front of the window,____ she could watch her classmates playing football.
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which
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from where
C
from there
D
there
Guilin is a city _______ has a history of more than 2,000 years.
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where
B
which
C
who
D
whom
There is hardly an environment on earth ______ some species of animal or other have not adapted successfully.
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to which
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in which
C
for which
D
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40 kilometers _____ Chengdu lies a town, _____ suffered great losses in the earthquake, but is now on the road to recovering.
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west of; which
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on the west in; where
C
west of; where
D
on the west of; which