The poor ________ living in the mountain ________ top is covered with green trees.                                                     
#85718
A
are; which
B
are; of which
C
is; whose
D
are; whose
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The girl in red ____my sister.
#44017
A
be
B
are
C
am
D
is
Every means _____ prevent the water from _____.
#85804
A
are used to; polluting
B
will be used to; polluting
C
is used to; polluted
D
is used to; being polluted