Spanish language Q&A Forum

Your "Exercise" has a spelling mistake in the English translation of El ejercicio es complicado.  Should read the exercise is complicated. 

This goes against everything else I have learned or am learning in the classroom  - I cannot remember two sets of rules.  Any correct answer should be marked as correct, whether the so-called Latin American version or  Spanish version.   There doesn't need to be only 1 correct answer.

Hola.  Could you please explain why, in the following question, "todo aquel que" is a wrong answer?

________ vinieron el año pasado han vuelto este año.All those who came last year returned this year.(HINT: It refers to people in general both male and female)

On two occasions the text moved on before I could submit my answers and on another occasion it didn't let me submit an answer as I had maybe pressed a key which triggered the "Not sure about that one?" response. 

First off, a minor suggestion wrt this lesson to break the ice: ;)

When you are talking about the position of 'se', you are in fact referring to the position of BOTH 'se' and a corresponding direct object pronoun. You might want to note this in the explanations somewhere.

Now, my real question:

With a participle, does the combo of se & direct object pronoun HAVE to be attached at the end, or this is just an option? "Se la estamos decorando" and "Estamos decorandosela" are both grammatically correct and semantically equivalent, right? Or are we allowed to say "Se la estamos decorando" only because we have two verbs next to each other?

PS

I agree with the other poster who pointed out that these agglutination rules totally warrant a separate lesson.

In the question

¡________ basura hay en esta casa!
Que mucha was an option offered that I chose and was marked wrong in favour of another option  cuánta.
Que mucha ...   translated in online dictionaries just fine.
Is there a difference ?