题目
请问这句话里怎么有两个谓语呀?烦请帮忙指导句子结构,
A new kind f environmental problem has surfaced as infrasonic waves caused by windmills are suspected of causing health problem for some people.
y有has surfaced和 are suspected两个谓语?
A new kind f environmental problem has surfaced as infrasonic waves caused by windmills are suspected of causing health problem for some people.
y有has surfaced和 are suspected两个谓语?
提问时间：2021-01-23
答案
举一反三
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