[ If vs. Unless ]
_ _ _ _ _ _ _they’re late again, I’ll be furious.
A. If
B. Unless

Random Topics:
Ordering AdjectivesFuture Continuous TensePassive Voice of TensesFuture Simple TensesVerbsModals and InversionPast Simple & Past ContinuousAdverb Clausesmust/shouldIdentifying TensesOther quiz:
Prepositional Phrase › ViewJack! Please make sure that you are come ___ time for English class.
A. in
B. on
Grammar › View
When we reach London we … our voyage.
A. will have finished
B. will be finishing
C. will have been finishing
Many vs. Much › View______________children are in the class?
A. How many
B. How much
Tenses › View
While I __________ the room, I found an old photo.
A. cleaned
B. have been cleaning
C. was cleaning