Question

"Juan, aquí tienes las tarjetas de embarque. Por favor, no las ______." "Sí, mamá."
a. pierdes
b. pierdas
c. pierde
d. pierdo

I'm not sure which one fits best. please explain.
Rosemary
this answer is b
SraJMcGin
Yes, and it's because it requires the Subjunctive = negative tú command

Sra