作业帮A city has been built up 句中的谓语动词是has 还是been,还是 has been都是?请详细给我划分一下句子成
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A city has been built up 句中的谓语动词是has 还是been,还是 has been都是?请详细给我划分一下句子成
A city has been built up 句中的谓语动词是has 还是been,还是 has been都是?请详细给我划分一下句子成
A city has been built up 句中的谓语动词是has 还是been,还是 has been都是?请详细给我划分一下句子成
has been built 都是
A city 主语
has been built up 谓语