[ 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.

Random Topics:
Grammar - Be going toPerfect and Past TensePast Simple or Past ContinuousPast and Present Continuous tenseActive & PassiveToo or EnoughFigurative LanguagePassive Modals, Impersonal PassiveGrammar - may/might/couldConjunctions and PrepositionsOther quiz:
Present Simple and Present Continuous › ViewTeachers and students _________________ to use different digital resources now.
A. learn
B. is learning
C. learns
D. are learning
Conditional Sentences › View
Men can’t fly because they don’t have wings .
A. If men have wings , they will fly.
B. If men could fly , they would have wings.
C. Men couldn’t fly unless they had wings.
D. Men could fly if they had wings.
How often - long - much - many › View______ has Leo Messi played for Barcelona?
A: Since 2003
A. how long
B. how often
C. how much
D. how many
Object Pronouns › View
The music is very good.
I like listening to _____.
A. us
B. it
C. you
