[ 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:
Question Tags › ViewThe wolf is the largest member of the canine family,
A. Is it?
B. Isn’t he?
C. Isn’t it?
Grammar › View
Grammar: Section 2. Gerund and Infinitive form. Choose the correct option for the sentences.
Birthdays are not easy _____________
_
A. remembering
B. to remember
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
