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

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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:
Comparatives › ViewCan we switch over to another channel? This documentary isn’t ______.
A. more interesting
B. less interesting
C. interesting
D. much more interesting
Modal Verbs › View
In this school we have a rule: students (use) their mobile phones.
A. have to
B. shouldn’t
C. must
D. mustn’t
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
