[ Passive Voice & Tenses ]
So far the problem (not/ resolve) ____ has not been resolved.
A. hadn’t resolved
B. has not resolved
C. have not been resolved
D. has not been resolved.

Random Topics:
Modals of AdviceArticles and PrepositionsRelative & ModalsSubject/Verb Agreement with Collective NounsPossessive Pronouns and QuantifiersPresent and Past TensesSuch...that, so ......thatTenses and OpinionsConjunctions, Prepositions and InterjectionsDemonstrative PronounOther quiz:
Grammar › ViewChoose the correct preposition for use with
adept __?__
A. at
B. in
Present Simple Positive and Negative › View
I _________ this movie.
A. doesn’t understand
B. don’t understand
C. no understand
Vocabulary and Grammar › View____________ Bobby often ____________ physics experiment after school?
A. Does/do
B. Is/do
C. Does/do
D. Is/does
Pronoun › View
I told …… that they upload some photos in Instagram to show their activity.
A. they
B. themself
C. them
D. their
