Topics: Present Perfect
They have worked together ____________ twenty years.
A. for
B. since
C. never
D. have
Select your answer:

Random Topics:
Prepositions and AdverbsNoun Clauses with THATPast Tense (Regular and Irregular)Possessive Nouns with Apostrophes and PronounsQuantifiers / Prepositions of Time and Comparative AdjectivesAdjective & AdverbComparisionModals VerbHow often - long - much - manyCompound and Complex, ConditionalsOther quiz:
Grammar › ViewWhat ____ Ibrahim drinking? Is it a latte or an iced-white mocha?
A. is
B. isn’t
C. are
D. am
Vocabulary › View
open to; easily influenced; lacking in resistance
A. intemperate
B. ignoble
C. susceptible
D. subservient
