[ Grammar ]
you have ever heard about Yuri gagarin……?
A. do you
B. haven’t you
C. Don’t you
D. Didn’t you

Random Topics:
Conjunctions - Conjunctive AdverbsClause Markers TOEFL GrammarModals, Conditionals, and Clauses- Defining, Non-definingParts of Speech and GrammarGerund, Infinitive & ModalsPresent Tense vs Past TenseTenses & AffixesSubject Verb Agreement; Indefinite PronounsMixed Present TensesModals: Possibility, Necessity, ExpectationOther quiz:
Grammar › ViewMrs. Deal was attacked by zombies.
A. active
B. passive
Grammar › View
The mouse is ________ the box.
A. between
B. behind
C. under
D. next to