There are signs here and there ,___________ visitors to look

There are signs here and there ,___________ visitors to look out for the rocks.
There are signs here and there ,___________ visitors to look out for the rocks.A warn B warning C warned D to warn 答案选B求分析

阿乐 1年前已收到1个回答举报

韭菜藤春芽

共回答了16个问题采纳率：75% 举报

首先要明白,warn是用于修饰sign的.所以warn要作定语,可肯定用非谓语,排除A选项.由于sign与warn为主谓关系,即主动关系,排除C选项.又因为不定式引导的定语中间不能有逗号,排除D.所以最终答案为B.楼主不明白可以再问

1年前

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你能帮帮他们吗

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