1、The birds were chorusing around us.

2、The birds were chorusing around me.

3、Their families gathered around them chorusing, “We are here for the wedding!”

4、The light of wisdom is reflected from the palaces towering aloft for thousand years. It's chorusing the triumphant songs for prosperous Tianjin.

5、In addition, chorusing in unison is beneficial to the development of children's sense of teamwork and collective honor, which is essential to the entire life of a child.