[ Grammar and Vocabulary ]
How long ___ they known each other?
A. have
B. has
C. do
D. are
Select your answer:
Random Topics:
Basic GrammarPerfect Tenses of VerbsModal "Have to"so vs suchPassive Voice & Verb TensesConditional Type 1Nouns, Pronouns, Antecedents, and Singular and PluralVerb Tenses and AgreementPresent Continuous vs Future TensesAdverb Of PlaceOther quiz:
Pronouns and Antecedents › ViewThe school has asbestos in many of _______ classrooms.
A. one’s
B. their
C. its
D. her
Grammar › View
Tom runs __________ than John and David runs the __________ in the group.
A. faster/ fastest
B. fastest/ the fastest
C. faster/ faster than
D. faster/ the fastest