[ Grammar ]
Choose the correct answer for the gap:
How long ___________ your colleagues or classmates?
A. have you known
B. have you been knowing

Random Topics:
as...as, comparatives, superlativesGrammar - QuantiflierSentence Adverbs & Third ConditionalVerbs & Phrasal VerbsHabitual and Continuous TensesParts of SpeechConjunctive AdverbsCan vs CouldWord Form & Verb TenseGrammar SuffixesOther quiz:
Mixed General Quiz › ViewHe had the boy ___ his car.
a. wash
b. washed
Verb Tenses › View
We ___ to get to the theater on time so we wouldn’t miss the beginning of the movie.
A. hurry
B. hurryed
C. hurried