raspaban
Imperfecto para el sujetoellos/ellas/ustedesdel verboraspar.

raspar

Pero antes de salir, en forma muy hipócrita se raspaban ligeramente la lengua con las uñas para hacer que luciera blanca, como si hubieran ayunado.
Before they went out, however, they hypocritically scraped their tongues with their fingernails to make them white, as if they had been fasting.
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poco profundo