The scientists have made an exhaustive study of the virus _______ many people have been inflected.
#75165
A
to which
B
in which
C
with which
D
for which
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When I arrived, Bryan took me to see the house_ I would be staying.
#76473
A
what
B
when
C
where
D
Which
The lazy boy tried to get through the exam without hard work in the way ______ his friend suggested.
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A
in that
B
in which
C
which
D
where
Naturally a smile ________ the eyes participate is extremely communicative.
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A
to which
B
in which
C
at which
D
with which