这位运动员在广告中公开支持这款运动饮料。

The athlete is ___endorsing this sports drink in the commercial.

别忘了在支票背面签名才能兑现。

Don't forget to ___endorse the back of the check before cashing it.

校长正式批准了新的课程安排。

The principal officially ___endorsed the new curriculum schedule.