Read and match the sentences or expression that make the most sense together. 1.Ayura al dentista para limpiar los dientes.
2.Quiero limpiar entre los dientes.
3.Tengo los dientes limpios, pero son amarillos.
4.Quiero alinear los dientes.

A)Blanquear
B)La higienista dental
C)Poner frenos
D)El hilo dental

1.A

2.D

3.B

4.C

Explanation:

on number 1 and 3 could be A or B, A is the one that most matches for me on 1 because its cleaning and blanquear means tooth cleaning.

they need to keep water moving over their gills so they seem to have active periods and restful periods instead of undergoing deep  sleep.  they sleep swim

explanation: