[ Grammar ]
. Why is grammar often referred to as a system rather than a set of rules?
A. It is created before the language itself
B. It is unchanging and fixed
C. It evolves with language use over time
D. It is imposed by language authorities

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Gerund & ParticipleArticle the or zero article (-)So or SuchConstrative ConjunctionVerb & GrammarContinuous TenseTo Infinitive/Bare Infinitive/GerundsFamily Members and Present SimpleFuture or PastPerfect and Past TenseOther quiz:
Prepositions › ViewI am not interested _____ buying a new car now.
A. To
B. For
C. In
Vocabulary › View
The visibility in the river was extremely limited due to the ___________ water.
A. murky
B. nefarious
C. feckless
D. unwonted