President Obama held talks with Chinese President Hu Jintao in Beijing, ________ economic recovery, climate change and stopping the spread of nuclear weapons.
#71005
A
which was discussed
B
in which they-discussed
C
when they discussed
D
which discussed
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 He left Europe _____ World war II broke out.
#71966
A
during
B
the year
C
while
D
there
I slept on the bed _________ I put my shoes.
#72712
A
where
B
on which
C
under which
D
in which
_________, I always feel I want a few more days.
#69097
A
However long is a vacation
B
However long a vacation is
C
However is a vacation long
D
However a vacation is long