[ 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:
Vocabulary › Viewshowing extreme attention to detail
A. meticulously
B. chastise
C. apprehensive
D. relinquish
Grammar › View
Did ………. of the players score in yesterday’s match?
A. Anyone
B. Some
C. Any
D. Somebody
We 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
