I appear to have two different editions of the LL Teacher’s Materials and LL Exercitia Latina which I suspect accounts for my wrong answers - but may not!
Exercitia Latina - CAP XXIII - Ex. 1 - Perfect active and passive exercise.
(Teacher’s Materials):
- Magister epistulam [scripsit] = Epistula a magistro [scripta] est.
- Magister epistulam ad Iulium [misit] = Epistula ad Iulium [missus] est a magistro.
- Iulius epistulam [legit] = Epistula a Iulio [lectae] est.
No problem with No. 1.
No. 2. My answer: “missa”.
No. 5. My answer: “lecta”.
Am I missing something?