Topics: Modal Verbs
We __________ (could / must) prepare a backup plan in case the original one fails.
A. will
B. must
C. should
D. can
Select your answer:

Random Topics:
Nouns and Their FormsVerb + PrepositionLexico and GrammarGrammar - Nouns, Verbs, and AdjectivesDo / Have / Can - Basic QuestionsSentence TransformationPast, Present, FutureConditionals and Modals of ProbabilityVerb, Object, PrepositionPoetry VocabularyOther quiz:
Vocabulary › ViewTo stop something from continuing in a direction
A. administered
B. lush
C. intercept
D. rolling
Infinitive and Gerund › View
I can’t stand _________ mistakes all the time.
A. make
B. to make
C. making
