[ Grammar and Idioms ]
What is the meaning of “catalyst” in the context of change?
A. A person or thing that accelerates change or action.
B. A person who stops a process.
C. A slow-moving event.
D. A predictable reaction.

Random Topics:
Giving and Asking for AbilityCan vs be able toGrammar & VocabPresent Perfect, Present Simple, Present ContinuousBe going to / WillThere is or There areVocabulary & Phrasal VerbSentence Structure and Pronoun AntecedentAdverbial Clauses of Reason / CauseConjunctive AdverbOther quiz:
Tenses › ViewAt the moment I ________ English grammar, and I ________ to read the texts in my English textbooks again
A. am revising/ am already beginning
B. am revising/ had already begun
C. revise/ have already begun
D. am revising/ have already begun
Grammar › View
The red car had a _____________shine than the blue car.
A. more brilliant
B. brilliant
C. most brilliant
covered_______
A. with
B. for
C. in
D. from
Adjective › View
Did you see the magician? He was ___!
a.amazed
b.amazing
