[ Grammar ]
Son Doong Cave is the largest cave _______ in Phong Nha-Ke Bang National Park.
A. discovered
B. discovering
C. to be discovered
D. which discovered

Random Topics:
HomophonesPreposition & GerundModal Verbs for SpeculationFigure of SpeechDefinite and Indefinite ArticleTypes of Simple SentencesNarrative, Past TensesThe Past SimpleVerb Patterns / IngVerb Tenses and ModalsOther quiz:
Grammar › ViewDoing something repeatedly is the only way to become good at it.
A. Practice makes perfect
B. Never say die
Past Perfect & Past Simple › View
Keiko………….William last September.
A. met
B. had met
Grammar › ViewWhich of the following is proper grammar for the following sentence: the books that belong to the girls
A. girl’s books
B. girls’ books
C. girls book’s
D. girl’s book’s
Prepositional Phrases › View
What is the prepositional phrase in the sentence?
You will not receive my gift until next week.
A. until next week
B. you will not
C. receive my gift
D. week
