The British science fiction writer, Isaac Azimac, believes that robots are_____ ever to do harm  to a human being.
#67207
A
unfortunately
B
unexpectedly
C
unlikely
D
unbelievably
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Loulan is believed ____ by sandstorms from AD 200 to AD 400.
#70910
A
to be gradually covered over
B
to have been gradually covered over
C
being gradually covered over
D
having been gradually covered over
At the gate _______ two stone lions.
#73699
A
stands
B
stand
C
was stood
D
standing
How many nationalities ______ the  country   ______? 
#71995
A
is; consisted of
B
does; make up
C
is; made from
D
does; consist of