Question

le présent: on/croire
1 croient 2 croyons
3 croit 4 croyez

Explanation:

In French, the verb "croire" (to believe) conjugates to croit when used with the impersonal subject "on" (which functions like the singular "one" or informal "we" in this present tense context). The other options are for different subjects: croient (third person plural), croyons (first person plural), croyez (second person plural/formal singular).

Answer:

1. croit