[ Modals of Necessity and Suggestion ]
I think the most important thing to stop similar things from ever happening again is to seize every opportunity you (4) ( can / ought to ).
A. can
B. ought to

Random Topics:
Adverb of MannerWh- Questions Present Simple TensePast Simple and Past Continuous TensesThird ConditionalsNoun, Quantifiers and SuffixesModals of ObligationTime Clauses of FutureUnderstanding Product Packaging and TensesPresent Progressive or Present SimplePrepositions and Preposition PhrasesOther quiz:
Grammar › ViewMy father asked My brother, “Will we spend the holiday in Lampung?”.
A. My father asked my brother whether we would spent the holiday in Lampung
B. My father asked my brother whether they would spend the holiday in Lampung
C. My father asked my brother whether we would have spent the holiday in Lampung
Vocabulary and Grammar › View
Scientist use _ very strong telescope to help them look fat out into space.
A. a
B. an
C. the
D. any
Conjunctions › ViewI will cook dinner _______ you do the dishes.
A. when
B. as long as
C. while
D. after
Modals › View
I……… swim across the river when I was young.
A. Can
B. Could
