[ Adjective ]
We saw …fireworks in the sky.
a.exploded
b.exploding

Random Topics:
Present Simple x Present ContinuousModals of ObligationReported speech (statements)Conditional Sentence Type 3Verb Present Simple TenseContractions and ConjunctionsWas & Were QuestionsConnectorsModal "Have to"Noun Phrases and AdverbialsOther quiz:
Present Tense › ViewBayu is a guitarist of our school’s band. He ______ guitar really well.
A. play
B. plays
C. played
D. playing
Past Tense vs Present Perfect Tense › View
I ___________ (go) to Olympian City 2 for lunch yesterday.
A. go
B. gone
C. have gone
D. went
Grammar › ViewChange to passive:
John’s mother raised him in a small town.
_____
A. John was raised in a small town by his mother.
B. John has been raised by his mother in a small town.
C. John was being raised in a small town by his mother.
D. The mother was raised in a small town.
Grammar › View
The exam ___ easy. You never know. But right now you need to study for tomorrow.
A. might be
B. must be
C. must have been