[ Grammar ]
How many times ____ you ____ that international conference?
A. did – attend
B. do – attend
C. have – been attending
D. have – attended

Random Topics:
Modal Verbs of ObligationConnectives (because, due to, owing to, because of)Past Perfect Simple & Past Perfect ContinuousModals "Should"Argumentative VocabularyAdverbial Clause of Cause and Effectgoing to-ed and -ing AdjectivesContinuous TenseCan/CouldOther quiz:
Grammar › ViewI’m sorry, I can’t talk right now. I ______(work) on a project.
A. am working
B. had worked
C. have worked
D. will work
Pronoun › View
Neither Martin nor Dennis will have trouble finding information for _______report.
A. Their
B. His
C. None of the above
Tom is not studying……he is playing games.
A. or
B. but
C. and
Grammar › View
He experienced __________ after moving to a new city.
A. disorientation
B. resentment
C. adaptation
