演讲者强调了团队合作的价值。

The speaker ___emphasised the value of teamwork.

老师在黑板上用红色粉笔强调了重点内容。

The teacher used red chalk to ___emphasise the key points on the blackboard.

老师强调了这个单词的重音位置。

The teacher ___emphasised the stressed syllable in the word.