Writing systems and word structure analysis.

Sound analysis and correct pronunciation.

You can find online solutions (GDZ) for the by S.I. Lvova and V.V. Lvov (Part 1) on several reliable educational platforms. These resources provide step-by-step answers and explanations for exercises covering topics like phonetics, morphology, and orthography. Top Online Resources for Lvova 5th Grade GDZ

Studying the meaning and use of words (synonyms, antonyms).

I can then provide the specific answer and the rule behind it.