翻译句子。
1. 昨天晚上我们欣赏了一台精彩的演出。(enjoy)
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2. 因为大雾，通往南京的高速公路关闭了。(due to)
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3. 虽然他并不富裕，但还是尽力帮助贫困地区的学生。(do one's best)
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4. 据说，中国人比西方人更早使用纸币。(It)
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5. 经历了多次严重自然灾害后，人们才逐渐意识到植树造林的重要性。(until)
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1. We enjoyed a wonderful performance last night.
2. The (super) highway to Nanjing is/was/has been closed due to the heavy fog.
3. Though/Although he is/was not rich, he does/did his best to help the students in poor areas.
4. It is said that Chinese started to use notes/paper money earlier than Westerners.
5. People didn't come to realize the importance of planting trees until they (had) experienced a
number of serious natural disasters.
答案不唯一