Answer:
2- D- Nos cepillamos los dientes.
3- A- Me cepillo los dientes.
4- E- Os cepilláis los dientes.
5- B- Te cepillas los dientes.
6- C. Se cepilla los dientes.
Explanation:
2- D- Nos cepillamos los dientes. In English this means: we brush our teeth.
3- A- Me cepillo los dientes. It means I brush my teeth.
4- E- Os cepilláis los dientes. This means you brush your teeth. In Spanish of Spain (Spanish varies according to the country where it's spoken), "os" is used for you as a plural. Meaning you are more than one person. In English "you" can mean one person or two or more people. It can be both plural and singular, whereas in Spanish it can't.
5- B- Te cepillas los dientes. In English this means: you brush your teeth. Here you means only one person.
6- C. Se cepilla los dientes. This means he or she brushes his or her teeth.
