问题描述：
Underline the mistakes and correct them.
1.Polly spent much time to watch the video plays.
2.I'm sorry I can't find your dog.Maybe it's not live.
3.Did you see him played the trumpet when you came back home?
4.Would you like to take part the sports meet?
1.Polly spent much time to watch the video plays.
2.I'm sorry I can't find your dog.Maybe it's not live.
3.Did you see him played the trumpet when you came back home?
4.Would you like to take part the sports meet?
问题解答：
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