To study and review grammar, check these out:

• basic czech language principles: here
• cases and cases questions: here
• word order: here (in general), here (for past tense) and here (for past tense of reflexive verbs)

Out of all cases you have learned, review especially

• accusative of singular: here (nouns) and here (pronouns)
• genitive of singular: masculines, feminines and neutres
• locative of singular: masculines animates, masculines inanimates, feminines and neutres

Usualy there is commentary bellow the pictures, study it as well.

For vocabulary & vocabulary:

• please review these topics: human body, diseases and aches and pains
• review it using following structure: „Když máte [disease in accusative], bolí vás [human parts in nominative], jde o bolest [human parts in genitive], kterou můžete cítit také v/na [human parts in locative].“ (When you have [disease], [part] hurts you, it is a pain of [part] that you can feel in/at [part].