I think it's "Es en" or just "Es" but im not sure.
Answer:
C. 3. No ir en el telefono cuando estes manejando
4. Siempere usar el cinturon de seguridad
(can't help with D because the other two parts are missing)
Answer:
yo visito
tu visitas
el visita
nos. visitamos
vos. visitais
ellos visitan
yo canto
tu cantas
el canta
nosotros cantamos
vos. cantais
ellos cantan
yo termino
tu terminas
el termina
nosotros terminamos
vos terminais
ellos terminan.
Explanation:
with regular verbs just follow the pattern. it's easy
Through his class in school