[ Vocabulary ]
______________ are ways that scientists perform investigations.
A. control
B. experiment
C. scientific methods
D. variable
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Language Features: Reflective ArticleTOEICPresent Simple & Present ContinuousThings in EnglishSubjective and Objective PronounCan, Could, May, MightVerbs + Gerund or InfinitivePaired ConjunctionFigurative Language VocabularyPast and Present ContinuousOther quiz:
Grammar › ViewA parrot is ……… than a pigeon.
A. colourful
B. most colourful
C. as colourful
D. more colourful
Grammar › View
_______ you are hungry, I will share my food with you.
A. But
B. Although
C. Since
D. And