[ Grammar ]
. Which of the following is NOT one of the three main characteristics of language?
A. Complexity
B. Productivity
C. Fixed structure
D. Arbitrariness

Random Topics:
Was and WereA(n), the, no articleVocabulary and Verb TensesRelative Clauses and Past PerfectConditionals / Unreal PastImperative SentencesInfinitive or GerundSo / Neither / Either / TooUnreal ConditionalsNoun, Verb, AdjectiveOther quiz:
Positive and Negative Connotations › ViewDetermine if the underlined word has a positive or negative connotation.
I hope to look like my sister when I grow up. She is absolutely gorgeous.
A. Positive
B. Negative
Grammar › View
I (sit) in a café when you (call) .
A. sat/ was calling
B. was sitting/ was calling
C. was sitting/ called
D. sat/ called