[ Grammar ]
It’s vital that the United States ____ on improving its public education system.
A. focuses
B. focus
C. focusing
D. focused

Random Topics:
Tenses and ConclusionsAuxiliary ModalSimiles, Metaphors, Personification and HyperboleWh QuestionsVerbs & Phrasal VerbsModals TensesAdjectives & QuantifiersHave as verb and auxiliaryComparatives and Past Perfect TenseModals and Comparative SuperlativeOther quiz:
Grammar › ViewHi, Sally. I ___ happy to meet you.
A. am
B. are
C. happy
Gerund and Infinitive › View
My friend Mary is a blabbermouth! She can’t resist _______ everyone what she heard from me.
A. tell
B. to tell
C. telling
D. to telling
Grammar › ViewThe_______________are two words that appear on the top of dictionary page.
A. dictionary
B. thesaurus
C. entry words
D. guide words
Adjectives › View
Mrs. Sears tells funny stories.
A. funny
B. tells
C. Mrs. Sears
D. stories
