[ 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:
Vocabulary & Grammar › ViewBy the time I arrived at the cinema, the film …….. .
A. already started
B. were already started
C. has already started
D. had already started
Vocabulary › View
make certain that (something) shall occur or be the case.
A. fusion
B. attempt
C. ensure
D. maintain
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
