[ Grammar ]
I ___ what you mean.
A. am not understanding
B. don’t understand
C. am not understand

Random Topics:
Question tag and + - AgreementWould rather/ would prefer/ would likeMixed ConditionalsConditionals 1,2,3Prepositions and Prepositional PhrasesSimple Verb TensesV-ing/to-VAdjective & AdverbPresent Continous TenseArticle & PrepositionOther quiz:
Comparative and Superlatives › ViewTick (✓) the comparative adjectives.
A. older
B. pretty
C. closest
Adjectives with Preposition › View
This queue is so long! I’m tired ________ waiting.
A. For
B. Of
Vocabulary and Grammar › ViewI am going to meet my friends ___ Friday evening.
A. at
B. in
C. on
Indefinite and Intensive Noun › View
The people ______ wanted a democracy.
A. itself
B. themselves
C. oneself
D. herself