[ Vocabulary ]
A method for collecting information by observing a phenomenon in action.
A. variability
B. observational study
C. quantitative data
D. categorical data
Random Topics:
Second and Third ConditionalPhrasal Verbs with up and downPrepotitionsConditionals and WishesPresent Simple and Present Continuous TenseAuxiliary Verbs, if, unless and ModalZero Conditional SentencePoetryPresent Simple vs Present ContinuousVocabulary & GrammarOther quiz:
Present Continuous Tense › ViewI … an English magazine in my room now.
A. is reading
B. are reading
C. am reading
D. read
Grammar › View
Which conjunction should be used to complete the sentence?
The oven timer went off, _________ I took the turkey out of the oven.
A. yet
B. but
C. for
D. so
Modals › ViewComplete the missing word. We _______ to protect the Galapagos Islands in order to save the giant tortoise.
A. must
B. will
C. have
D. can
Grammar › View
Every Saturday, Oscar likes ____ go skiing in the mountains. Allie likes skiing, ______.
A. too; to
B. two; to
C. to; too
D. too; two