[ Tenses ]
He ________ to China before 2015.
A. has not been
B. have not been
C. was not been
D. had not been

Random Topics:
Relative Clauses beginning with PrepositionsAdjective OrderModals for Advice, Obligation/Prohibition, Necessity and Lack of NecessityPresent Perfect Continuous TenseFuture Tenses and ModalsModal Verbs for Possibilitywill, be going to, would like toModals and Daily VocabularyModal Verbs of Certainty and PossibilityIdentifying TensesOther quiz:
Grammar › View…. and was _____ that he could lose his job.
A. scared
B. confused
Future Tense › View
John ______________ (visit) his grandma next Sunday.
A. has visited
B. visits
C. is visiting
D. are visiting
Adjectives and Prepositions › ViewLet’s be _____ and spread happiness with our smiles and laughter.
A. intelligent
B. serious
C. reliable
D. cheerful
Narrative Tenses › View
He ______ several books a month, but he doesn’t have time any more
A. was used to reading
B. got used to reading
C. used to read
