[ Present Perfect ]
They have worked together ____________ twenty years.
A. for
B. since
C. never
D. have

Random Topics:
Modals and InversionReported SpeechComparatives, Superlatives & EquativesPossessive Adjectives VS Possessive Pronounsduring, for, whileTenses and Word FormationIndefinite and Definite ArticlesPast Perfect Simple & ContinuousPast ContinuousMixed GrammarOther quiz:
Contrastive Conjunctions › ViewWhich sentence correctly uses “despite”?
A. Despite the rain, we enjoyed the festival.
B. Despite of the rain, we enjoyed the festival.
C. Despite rain, we enjoyed the festival.
D. Despite the raining, we enjoyed the festival.
Quantifiers › View
_______ students passed the exam.
A. Hardly any
B. Not much
C. Not
Comparatives and Past Perfect Tense › ViewWhat is the correct past perfect form of “It is hot”?
A. It had been hot.
B. It had be hot.
C. It was hot.
D. It had hot.
Grammar › View
Which of the following sentences has correct subject-verb agreement?
A. My spelling lessons and science homework sometimes take me hours to finish.
B. My spelling lessons and science homework sometimes takes me hours to finish.
