他假扮成电工以进入大楼。

He ___posed ___as an electrician to get access to the building.

她假扮成富有的女继承人，以潜入那个独家派对。

She ___posed ___as a wealthy heiress to infiltrate the exclusive party.

那名卧底记者假扮成顾客来调查诈骗行为。

The undercover reporter ___posed ___as a customer to investigate the fraud.