[ Present Tense ]
I work in a large office with about thirty other people, most of whom ___ (know) quite well.
A. know
B. knowing
C. is knowing
D. have known

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Comparatives and SuperlativesPossessive Pronouns and Adjective PronounsVerb Forms and PrepositionsGrammar Past and Future TenseWho am I?PrepositionSpeculation with Modal VerbsRelative - ConditionalModals "Should"Modal Verbs & Reflexive PronounsOther quiz:
Article › ViewThere are ___ articles in English grammar
A. 4
B. 1
C. 3
Tenses › View
What did you eat?
A. We broke the rules
B. I bought a book
C. We ate Mexican food
D. You prepared a cake