[ Past Perfect Tense ]
He ________ to China before 2015.
A. has not been
B. have not been
C. had not been
D. was not been
Select your answer:

Random Topics:
Used to & would & Past SimplePre-intermediateTenses - Present and PastAdverbs of Manner, Likes and PreferencesGrammar and Language UsageSubordinating Conjunctions and ClausesVocabulary and GrammarFuture Tense (will/be going to/p.continuous)Noun, Pronoun, Adjective, Verb-ing form and the to-infinitiveOther quiz:
Grammar › ViewClimate change is a worldwide problem that _____ to global warming.
A. lead
B. leads
C. led
D. leading
Must / must not › View
It is raining .You…take your umbrella.
A. must
B. mustn’t
