The effect of the medicine on this kind of disease remains ________.
#11544
A
seen
B
to be seen
C
seeing
D
to see
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The moon is       the earth
#14522
A
as big as forty-nine times.
B
forty-nine times bigger than
C
as big as onethird
D
one-third the size of
physics
#10575
A
pleasure
B
music
C
sure
D
increase