[ Vocabulary ]
___________ is an investigation in which all of the conditions are controlled.
A. control
B. experiment
C. scientific method
D. variable

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How much and how many-ed/-ing AdjectivesWh-QuestionNoun, Quantifiers and SuffixesEnglish for TourismGrammarSpellingFuture SimpleThe Present Progressive TenseModals and TensesOther quiz:
Grammar › ViewBecause they are low-lying areas, plains can flood easily.
A. Complex
B. Not Complex
Grammar › View
She …………… coming to dinner tomorrow.
A. Will
B. Is
C. Shall
D. Can
To cut off an area by means of troops or warships to stop supplies or people from coming or going out.
A. blockade
B. arsenal
C. armistice
D. abstain
Grammar › View
While the waiter ________________ up the pieces of glass he ________________ his finger (pick, cut)
A. picked – cut
B. was picking – was cutting
C. was picking – cut
D. was picking – cutted
