Spanish language Q&A Forum

Is there any problem with adding "se" to the verb "reír" here? 

why don´t we use the preterite imperfect or preterite, as the event has happened already in the past and the preterite perfect gives some sense that it is still continuing?

A well-written, well-articulated offering but way too much resonance on the microphone creating a "booming" that makes it hard to discern words.

One of hints is to "use the EN phrase order". What does that mean?

Wow! Question. How does: "en qué momento se me habrá ocurrido" come to mean: "I'm wondering why I thought this was a good idea"?

Is it a standard phrase for "Me pregunto por qué pensé que era una buena idea?"

Would "en qué momento pensé que era una buena idea?"work?

The sing-songy intonation that he gives to everything he reads is distracting and seems completely unrealistic. Nobody that I've ever heard talks like that, and it makes the listening exercises for which he's the reader less useful than they otherwise would be. The selections that he reads always start with a long pause, as if he needed a cue and didn't get it, and, I always cringe in anticipation of yet another tra-la-laaaaa reading to have to transcribe. Honestly, who picked this guy? And did they discover him reading for story hour in some Spanish library's kids' section? 

Does "al ser" in this exercise mean "being"?  Is there a document/lesson that talks about that?  Thanks!