用ing形式改寫句子
The topic which is being discussed is about environmental problem.
→ The topic being discussed is about environmental problem.The topic being discussed is about environmental problem.
【考點】固定搭配/句型．
【答案】The topic being discussed is about environmental problem.
【解答】
【點評】
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發布：2024/5/23 20:38:36組卷：3引用：1難度：0.7