[ 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:
Conjunctions in Complex Sentences › ViewThe students were reading nonfiction _______ they have not done book clubs with that genre yet.
A. for
B. ,for
C. nor
D. ,nor
Vocabulary and Grammar › View
What term refers to the act of overturning or flipping over, usually in the context of a boat or ship?
A. Reverence
B. Capsizing
C. Retaliate
D. Contort
Conjunctions › ViewTom 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
