Answer:
For 1-4 you have the correct answers however for 5 it would be las because you cannot have estas next to son and you've already pointed them out. The rest is correct.
Explanation:
The right answer is, C, Z and S
Because in the Spanish language these three letters in many cases have the same s sound.
Y tu??
Where is the audio?
calculates the concentration of hydronium in acid rain if the pH is 4.35