[ Verb Tenses and Usage ]
. How long ___ your best friend?
A. is
B. are
C. was
D. were

Random Topics:
Grammar - direct/indirect objectsModals of AdvisabilitySimple Past vs Past Continuous TenseUsed to & would & Past SimpleVerb Tenses and Sentence Structure-ed or -ingConnectivesAuxiliary WordsModals Of SpeculationModals and TensesOther quiz:
Past Tense and Past Continuous › ViewWe ——– television when the power went off.
A. were watching
B. watching
C. was watching
D. watched
Prepositions › View
Smith accused her —— stealing his computer and running away with it.
A. for
B. of
C. in