问题详情:
There were signs here and there, _____ visitors to look out for ______ rocks.
A. warning; fallen B. warned; falling
C. to warn; fallen D. warning; falling
【回答】
D
知识点:非谓语动词
题型:选择题
问题详情:
There were signs here and there, _____ visitors to look out for ______ rocks.
A. warning; fallen B. warned; falling
C. to warn; fallen D. warning; falling
【回答】
D
知识点:非谓语动词
题型:选择题