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1·After entering the National Kindness Speech Contest, he became more active in it.

参加全国慈善演讲比赛后，他变得更加积极了。

2·I'm preparing for the speech contest.

我正在为演讲比赛做准备。

3·It's a speech contest.

这是演讲比赛。

4·Did you take part in the speech contest?

你参加演讲比赛了吗？

5·He took part in the English speech contest.

他参加了英语演讲竞赛。

6·I took part in the English speech contest yesterday.

我昨天参加了英语演讲比赛。

7·The writer wins an English speech contest in Grade 9.

作者在九年级时赢了一场英语演讲比赛。

8·We are going to take part in the English speech contest.

我们正准备参加英语演讲比赛。

9·This woman played an important role in the speech contest.

这位妇女在本次演讲比赛中发挥了重要的作用。

10·I took part in the English speech contest and won a lot of prizes.

我参加英语演讲比赛，并赢得了不少奖品。