[ 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:
Grammar › ViewNick and Minah _ to the bookstore.
A. go
B. goes
Tenses › View
Convert the verb in “He will go fishing next week if he gets his license” to its future progressive form.
A. goes
B. went
C. will be going
D. is going
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