[ 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:
Idioms › ViewShe doesn’t exercise anymore so she has put ___ weight.
a. on
b. in
c. by
Relative Clause › View
All the cats, ………….. were sleeping, were purring quietly.
A. which
B. whom
C. that
D. those
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
