It is pretty well understood __________controls the flow of carbon dioxide in and out the atmosphere today.
#74032
A
that
B
when
C
what
D
how
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Now the question that you must carefully consider is _____ can be put into practice.
#68847
A
how what you have learned
B
how you have learned
C
that why you have learned
D
how that you have learned
Life is like a long race _____we compete with others to go beyond ourselves.
#74277
A
why
B
what
C
that
D
where
He was educated at the local high school, ______ he went on to Beijing University.
#74460
A
after which
B
after that
C
in which
D
in that
Living in the central Australian desert has its problems,______ obtaining water is not the least.
#74094
A
for which
B
to which
C
of which
D
in which
I am not sure if Tom____ home. If he________, I'll call you.
#41005
A
willcome,willcome
B
comes,willcome
C
will come, comes
D
will come, come