[ Mixed General Quiz ]
From the 9th century Ukraine was a part of Kievan Rus, the first significant East Slavic state which ___ to the Mongol invasions of the 13th century.
a. is succumbed
b. has succumbed
c. succumbed
d. succumbs

Random Topics:
Zero & First ConditionalConditional SentenceAdverb Clause ConnectorLinking Words & PhrasesPrepositionsModals and PrepositionArticles with SubstancesInterrogative Pronouns & AdverbsPerfect and Past TensesFuture Perfect vs Future ContinuousOther quiz:
Modal Verbs › ViewYou ___ of your health
A. may to take care
B. ought take care
C. ought to take care
D. may take care
Conjunction › View
He never works, he gains all the prizes.
A. furthermore
B. and
C. because
D. but
Vocabulary › Viewwordy; long-winded or unfocused (adj)
A. efface
B. diffuse
C. salvage
Grammar › View
He told us he ………………………….. a big tiger.
A. have seen
B. has seen
C. had seen
D. have see
