principal

我们今年的主要目标是提高客户满意度。

Our ___principal goal for this year is to increase customer satisfaction.

她是一个著名合唱团的主唱。

She is the ___principal singer in a famous choir.

住在这里的主要优点是社区归属感。

The ___principal advantage of living here is the sense of community.

她是伦敦一所学校的校长。

She is ___principal of a London school.

校长和老师们被邀请参加了活动。

The ___principal and the teachers were invited to the event.

我们学校的校长介绍了一套新课程。

Our school ___principal introduced a new curriculum.