题目内容
3. 如果他们想成为优秀的公众演讲者，他们最好说话吐
字清晰、充满自信。
If ihey want to be good public speakers, they _
3.had better speak clearly and confidently
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题目内容
3. 如果他们想成为优秀的公众演讲者，他们最好说话吐
字清晰、充满自信。
If ihey want to be good public speakers, they _
3.had better speak clearly and confidently