First blank: i believe it is amigos
second blank: no permite esto
third blank: enseña(?)
Lápiz is a pencil. That's about all I can tell you. It's just a vocab word you need to memorize.
The correct answer would be: Cuando _X_ lavo el coche, no uso detergente.
Good luck!
Answer:
Choose the logical continuation of this conversation
A.) tomorrow we will be in Mexico and we will have a lot of fun
B.) We already went to Mexico and did intersantisma things
C.) We were in Mexico on a school trip
D.) We are visiting the Yutucan ruins; how beautiful they are