[ 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:
Grammar › ViewLaura _______ a lot of Italian papers.
A. Has brought
B. Has bring
C. Have brought
D. Had brought
Grammar › View
In particular, researchers in this area have studied animals and insects that are able to ________ in extreme environments.
A. survive
B. discover
C. strike
D. be aware of
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