题目内容

改错题。
1. They had three major concerts and made a hit CD in the last six months.
2. Only a few people said they have seen them in the concert.                       
3. If the weather is fine, they won't go to the park next Sunday.        
4. I have not seen this film already and I am going to see it next Sunday.
5. Have you ever sang in front of other people? 
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1. had改为have had   2. have seen改为had seen
3. If改为Unless或is改为isn't或won't改为will
4. already改为yet   5. sang改为sung
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