[ Grammar ]
It is _____ proven that electrons have a negative charge.
A. scientifically
B. scientific
C. scientist
D. science
Random Topics:
Countable QuantifiersAbstract NounsPresent Continuos TenseGrammar - to be, possessive, have gotGerund and InfinitiveWh- Questions Present Simple TenseAll, Both, Neither, None, EitherPast simple - Irregular VerbsPrepositions Of PlaceTenses StructureOther quiz:
Homophones › ViewHave you been ______ before?
A. There
B. Their
Grammar › View
Alex grew up beside the sea. He __ swim when he was four.
A. could
B. may
C. might
Gerund Noun › ViewWe heard a baby………. in a neighbouring village.
A. cry
B. to cry
C. cried
D. to crying
Passive Voice & Tenses › View
She showed her ticket to the airline agent.
A. Her tickets were showed to the airline agent by her
B. Her ticket showed to the airline agent by her
C. Her ticket was showed to the airline agent
D. Her ticket wasn’t showed to the airline agent