孩子们假装是超级英雄在院子里玩耍。

The kids ___pretend to be superheroes while playing in the yard.

孩子们假装成超级英雄，在院子里跑来跑去。

The children ___pretend to be superheroes and run around the yard.

他假装自己生病了，这样就可以不用去上学。

He ___pretended to be sick so he wouldn't have to go to school.