The team ____ research for years, and they usually ____ their findings at conferences.
A. conducts / has presented
B. was conducting / presented
C. conducted / are presenting
D. has been conducting / present

Random Topics:
Present Simple & Present Continuous TensesWh-QuestionFuture Tense VocabularySubject Verb Agreement and Coordinating ConjunctionsAdverbsCommasPast Perfect SimpleGrammar - SimilesSentence Fragments and Complete SentencesClauses and GerundsOther quiz:
Grammar › View Savior is always better than the……
A. Torturer
B. Redeemer
C. Executioner
D. Destroyer
Tenses › View
My sister and I __________ this film thousand of times! I think I know the whole script of this film.
A. have watched
B. have been watching
C. watched
D. had watched
Relative Clause › ViewJessica met a man ….. bicycle was stolen.
A. which
B. whom
C. who
D. whose
E. what
Grammar › View
Change in to the passive.
– Someone steals my bike.
A. Someone is stolen my bike
B. My bike stolen by someone
C. My bike is stolen by someone
D. Someone stolen my bike
