What is the difference between conjugated -er an -ir verbs endings?

i've been everywhere, and i just can't seem to find anything that i can understand.

Which store would you visit to buy bananas? a. el quiosco b. la farmacia c. la frutería d. el supermercado

Choose the best spanish word to correctly complete the sentence. siete veintiocho treinta doce cien cincuenta y dos treinta y un dias en el mes de febrero anos en un siglo (century) semanas en un ano dias en una semana meses en un ano dias en el mes de abril dias en el mes de diciembre

Answer the following questions using complete spanish sentences. ¿quién ayuda al doctor? ¿qué tomas para sentirte mejor? ¿tienes fiebre ahorita? *note: this is a practice activity. completing this activity will not only prepare you for future tests and assessments but, more importantly, it will enhance your language ability. this activity will not count towards your grade.