The first one is D the correct answer
The singular form is una libreta
Yo compro no,no regla para mi clase de matemáticas.
unos
Answer:
"Puedo hacerlo"
Explanation:
"I can" means "puedo," then "hacerlo" means "do it." (The "lo" ending is the direct object, so it can be "hacerlo" or "hacerla" depending on what the object is.)