Subjunctive: It is vital that we not delay the treatment.
A. correct
B. incorrect

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Modal Verbs & Perfect InfinitiveIndefinite ArticleInfinitive and GerundsAdverb Clauses of TimeCompound Words and SentencesVerbs and Possessive AdjectiveNoun Clauses with THATPresent Simple Tense PassiveGRAMMAR - Could / Could notQuantifiers & Modal VerbsOther quiz:
Vocabulary › ViewWhich sentence does NOT use “demonstrate” correctly?
A. My father demonstrated how to use the lawn mower, but I already knew how.
B. Can you please demonstrate how to do that?
C. Children do not learn things on their own. Parents and teachers demonstrate how to do a lot of things.
D. I believe that educational demonstrate came out very well.
Correlative Conjunctions › View
________ I go to the park ________ stay home today.
A. Both / and
B. Either / or
C. Neither / nor
D. Not only / but also
Sentences Function and Structure › ViewChoose the fragment (incomplete thought)
A. Everyone loves the new restaurant.
B. Everyone that attended the party last Saturday.
Grammar › View
The scientific history of radium ______ beautiful.
A. was
B. is
C. had been
D. is being
