[ Grammar ]
The alarm went off _____ I was showing some visitors around.
A. when
B. while
C. first

Random Topics:
Mix-TensesVerb FormModals Of SpeculationZero & First ConditionalCan, Could, May, MightCOUNT - NONCOUNT NOUNSConditional Sentence Type 2Parallelism and Subject Verb AgreementTenses and ConclusionsPrepositions and Preposition PhrasesOther quiz:
Grammar › ViewThe last car __________ the empty parking lot.
A. leave
B. left
C. leaved
D. leaven
Homophones › View
The dog dug ____ claws into the rabbit that he chased down.
A. Its
B. It’s