[ Modal Verbs ]
The figures are so big a plane ___________the only way to see them properly.
A. must be
B. can’t be

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Verb & GrammarClausesPassive of Modal VerbsContinuous and Perfect TensesModals Deduction: cant /mustInfinitive and GerundsMixed GrammarWho vs WhomPossessive AdjectivesPresent Perfect, Present Simple, Present ContinuousOther quiz:
Grammar › ViewI went to Rome 10 years _____.
A. since
B. before
C. ago
To Infinitive or Bare Infinitive › View
Remind me ________ it tomorrow.
A. to see
B. see
C. seeing