There were signs here and there, people to look out for rocks.A. warned; fallenB. warning

发布时间：2020-08-16 12:56:27


There were signs here and there,      people to look out for     rocks.
A. warned; fallen
B. warning; fallen
C. warning; falling
D. warned; falling

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A. warned; fallen
B. warning; fallen
(答案→)C. warning; falling
D. warned; falling
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