[ If vs. Unless ]
_ _ _ _ _ _you stop smoking, you’ll be seriously ill.
A. If
B. Unless

Random Topics:
Modal Verbs & Reflexive PronounsConjunctions and PrepositionsPast ParticipleConjunctions - ConnectorsParallelism and Subject Verb AgreementTypes of Sentence StructureVerbal TensesToo or EnoughZero and First ConditionalsSimple Past Tense and Past Perfect TenseOther quiz:
Grammar › ViewWhen I _______________(walk) into the busy office, the secretary _______________________(talk) on the phone with a customer.
A. was walking – was talking
B. walked – talked
C. walked – was talking
D. walked – talks
Grammar & Vocabulary › View
Any student ………….hasn’t finished their homework, please see me after the lesson.
A. who
B. which
C. where
D. when
Modal Verbs › ViewThere was something wrong with the machine. I ___ wash my clothes with my hands yesterday.
A. can
B. would
C. ought to
D. had to
IN, ON & AT › View
His daughter was born _____ the 24th of August.
A. IN
B. ON
C. AT
D. [ – ]