Clean water and fresh air are essential for our daily life, _______ we can’t live.
#66990
A
by which
B
without which
C
that
D
on which
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They will give the award to_____devotes themselves to the protection of wildlife.
#73574
A
who
B
anyone
C
whomover
D
whoever
An important feature of consumer society is that we gain self-confidence through ______ we own.
#67249
A
that
B
what
C
which
D
/
I just wonder _______ that makes him so excited.
#67219
A
why it does
B
what it does
C
how it is
D
what it is