[ Vocabulary ]
Representations of objects, systems or events used as tools for understanding the natural world.
A. model
B. variable
C. data
D. observation

Random Topics:
Grammar - Capitalization and Possessive NounsModals and PrepositionPresent Simple VS ContinuousNoun QuantifiersSingular and Plural NounsGrammar (was, were, could, could not)Vocabulary and GrammarPreposition and Word FormGrammar & ReadingGerund - to InfinitiveOther quiz:
Past Perfect Tense › ViewHow many times … the clothes before the fault occured?
A. had you worn
B. you had worn
Simple Present Tense › View
The negative of:
Rocio takes a break in the afternoon.
A. Rocio not takes a break in the afternoon.
B. Rocio don’t takes a break in the afternoon.
C. Rocio doesn’t take a break in the afternoon.
Tenses › ViewHe ________ his boss at this time tomorrow.
A. is meeting
B. has meet
C. was meeting
D. will be meeting
Grammar › View
My mum ____________ while I was cleaning. (not/cook)
A. wasn’t cooking
B. wasn’t cook
C. didn’t cook
D. weren’t cooking
