[ Present Tense ]
Can you help me? I _____ what he is saying.
A. don’t understand
B. ‘m not understanding
C. haven’t understood
D. haven’t been understanding

Random Topics:
Parallel Structure or Combining SentencesGerund or InfinitivesModals, Infinitives and GerundsGerund - to Infinitive Tenses & AffixesPrepositions & Prepositional PhrasesPast Simple or Past ContinuousVerb TensesAdjectives & PrepositionsIndefinite and Intensive NounOther quiz:
Future Tenses › ViewThey…………………… it for you tomorrow.
A. will do
B. do
C. will be doing
D. have done
Grammar › View
To ace the debate, we need someone who can argue __________.
A. clear
B. clearly
C. clearer
D. clearest