[ Grammar and Vocabulary ]
. I never go on Facebook when I’m at _____ work.
A. a
B. the
C. –

Random Topics:
Perfect ModalsActive & Passive VoiceModals of Necessity and SuggestionVerb to havePrepositions of MovementSimple Present and Past TensesQuestion Tags in Verb TensesTenseSimple Present ProgressiveIndependent ClausesOther quiz:
Grammar › ViewTeacher: ‘You _____ arrive on time for class.’
A. have to
B. don’t have to
C. must
D. mustn’t
Grammar › View
He was / is at the library yesterday.
A. was
B. is
