. 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

Random Topics:
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:
Present Simple Tense › ViewA: Do you always go to school?
B: ____________________
A. Yes, I does.
B. Yes, I do.
C. No, I does.
D. No, I do.
Present, Past, and Future Time › View
Cindy ________________ (drive) her car for only five months
A. Cindy has drived her car for only five months
B. Cindy has driven her car for only five months
C. Cindy has drive her car for only five months
D. Cindy have drived her car for only five months
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
