Alice learned the news _________ TV that a Chinese student was killed in Boston marathon blasts.
#45970
A
on
B
for
C
with
D
about
推荐题目
He made a mistake, but then he took action to change the situation ________ it got worse.
#47055
A
until
B
when
C
before
D
because
In hot summer, we should pay attention to protecting ourselves _____ strong sunlight.
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A
from
B
for
C
with
D
to
