(2013·湖南，23)You must learn to consult your feelings and your reason________you reach any decision.
#67444
A
although
B
before
C
because
D
unless
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The companies are working together to create they hope will be the best means of transport in the 21st century.
#71814
A
which
B
that
C
what
D
who
The final exam is a battle _______ everybody wants to show off his or her talent.
#69290
A
that
B
what
C
where
D
when
______we were worried about was ________they could manage to control the pollution.
#69123
A
That how
B
That whether
C
What that
D
What whether
“___ comes back home first should cook lunch, ”Mum said.
#73610
A
Whatever
B
Whoever
C
Whoever
D
Whichever