. No one knows exactly ______ after 2012.
#70278
A
what will our world look like
B
how will our world look like
C
what our world will look like
D
how our world will look like
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The river, ____ are covered with trees, is very long.
#73086
A
which banks
B
of which banks
C
whose the banks
D
the banks of which
___ , he still put people’s life in the first place.    
#68314
A
However he was tired
B
Now matter he was tired
C
Now matter how was he tired
D
However tired he was