[ Modal Auxiliaries and Similar Expressions ]
Which sentence expresses future certainty?
A. The system might crash if we don’t fix the bug.
B. The system will crash if we don’t fix the bug.
C. The system may crash if we don’t fix the bug.
D. The system could crash if we don’t fix the bug.
Select your answer:

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NounsPhrasal Verb and ModalComparative AdverbLinking Words and ConjunctionPrepositions of Time, Place, and MovementNouns as AdjectivesPresent Perfect Simple and ContinuousDefinite, Indefinite and Zero ArticlesLinking Words and PhrasesIdiomsOther quiz:
Prepositions › ViewWhile listening to music, many people absorb_ their work
A. at
B. with
C. from
D. in
Past Tenses › View
We had just finished dinner when the guests ____.
A. arrive
B. arrived
C. had arrived
D. were arriving
