SOURCE: A Latin Reader by Basil Lanneau Gildersleeve. This fable does not have a Perry number; it derives from Abstemius.
READ OUT LOUD. Choose which marked text you prefer to practice with - macrons or accent marks - and read the text out loud until you feel comfortable and confident. Then, try reading the unmarked text at the bottom. It should be easy for you after practicing with the marked texts. :-)
MACRONS. Here is the text with macrons:
Asinus erat aegrōtus; fīlius eum dīligenter cūrābat. Vēnit lupus et ōstium pulsans: Aperī, inquit, mī aselle; veniō ad patrem vīsendum. Fīlius per rīmam ōstiī respondet: Amīcī vōcem audiō, sed videō faucēs lupī.
ACCENT MARKS. Here is the text with ecclesiastical accents, plus some color-coding for the words of three or more syllables (blue: penultimate stress; red: antepenultimate stress):
Ásinus erat aegrótus; fílius eum diligénter curábat. Venit lupus et óstium pulsans: Áperi, inquit, mi asélle; vénio ad patrem viséndum. Fílius per rimam óstii respóndet: Amíci vocem aúdio, sed vídeo fauces lupi.
UNMARKED TEXT. Here is the unmarked text - after practicing with the marked text that you prefer, you should not have any trouble with the unmarked text:
Asinus
erat aegrotus;
filius
eum diligenter curabat.
Venit lupus
et ostium pulsans:
"Aperi (inquit), mi aselle;
venio ad patrem visendum."
Filius
per rimam ostii respondet:
"Amici vocem audio,
sed video fauces lupi."
IMAGE. Here is an illustration for the story (image source), showing a wolf knocking at the door. :-)