[ Tenses ]
When ______ Barack Obama ______ the president of the USA ? ( to become )
A. did ____ became
B. was _____ becoming
C. became
D. did _____ become
Select your answer:

Random Topics:
Adverb and Sentence StructureModal Verbs and ConjunctionsNouns and Their FormsVerbs & AdverbsPresent Perfect vs Past Simple TenseMaritime Vocabulary and GrammarCountable & Noncountable NounsComparison of Adjective and AdverbPaired ConjunctionTenses and Figurative LanguageOther quiz:
Grammar › View“Look at those dark clouds!“ – “Yes, it ____ in some minutes.”
A. will rain
B. is going to rain
C. are going to rain
D. are raining
Grammar › View
. Yesterday was the ___ day of the year.
A. colder
B. coldest
C. most cold
D. more cold
