We went back to the street and to the house, in front of ______ we had found the BlackBerry cellphone.
#69860
A
it
B
which
C
that
D
what
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He asked me, “Did you see my sister last night?” ----He asked me __________ 
#69358
A
if I had seen his sister the night before.
B
whether I had seen your sister the night before.
C
did I have seen his sister the night before.
D
that I saw his sister the night before.
 If we don’t save energy, it _____ some day.
#40988
A
will be run out
B
has been run out
C
will run out
D
has run out