Grammar Quiz

Topics: Vocabulary

A group in a scientific experiment that serves as a reference for comparison to the experimental group; a group that is untreated by the factor being tested.

A. variable

B. trials

C. control group

D. field study

Select your answer:
         


Random Topics:

Indefinite and Intensive NounCoordinating and Subordinating ConjunctionsPassive SentenceModals of Obligation and NecessityAdverbAuxiliary Verbs, if, unless and ModalArticles and QuantifiersGrammar CorrectionConjunctions & PrepositionsNouns Formation

Other quiz:

Grammar › View

Ana enjoys_______________soccer.

A. Play soccer

B. playing

C. play baseball

D. none


Idioms › View

If it is “par for the course”, it is ___.
a. typical
b. very good
c. terrible


➤