I heard the Ninth Symphony played last night. 昨晚我听了第九交响乐的演奏。 We found all the rivers seriously polluted. 我们发现所有的河流都被严重污染了。 Yesterday I noticed a little girl caught stealing in the shop. 昨天我在商店里注意到一个小女孩偷东西被抓住了。
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