Family fights are the things _______I feel upset.
#77553
A
about which
B
of which
C
in which
D
on which
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The only system I know ____ will help you remember what you have heard at a lecture is the system of keeping notes.
#75516
A
what
B
that
C
where
D
one
Whether you like it or not，we live in a community_____ on--line chatting is an important part of communication．
#75749
A
which
B
that
C
when
D
where
It was March 14th．2013__________Xi Jin ping was elected chairman of the People’s Republic of China
#75213
A
in which
B
that
C
until
D
when
More and more people would like to live in the countryside ______ the air is fresher and the price of housing is lower.
#78078
A
that
B
where
C
which
D
for which