Topics: Vocabulary & Grammar
The opening of the seed bank marks a _______ turning point in safeguarding the world’s crop diversity.
A. sole
B. history
C. historic
D. historical
Select your answer:

Random Topics:
Personal PronounModal Verb, Passive VoiceIrregular AdjectivesGrammar - Present and Past PassiveModals & ConditionalsModalsGrammar ModalsThe Past SimpleSimple Present and Present ContinuousConditional TensesOther quiz:
Grammar › ViewI haven’t seen you _____ ages.
A. since
B. for
C. during
Modal Verbs › View
I ___ go to the movies this weekend.
A. can
B. mustn’t
C. shouldn’t
D. might
