[ Grammar ]
A. healthy —- unhealthy
B. active —- lazy
C. short —- tall
D. happy —- sad

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Grammar : Must (Necessity)Speculation with Modal VerbsConjunctive Adverbs and PunctuationHave to/Has toTOEICActive & PassiveIdentify The TensesAsking & Giving AttentionGrammar (want to/ need to/ have to)Pre-intermediateOther quiz:
Grammar › ViewIf we ______ a practical point of view, then the most important property of the rays is the production of physiological effects on the cells of the human organism.
A. are taking
B. take
C. takes
D. to take
Vocabulary › View
What is the meaning of palisade?
A. to accommodate
B. a small sailing ship, usually used alongside a larger ship
C. a fence used as an enclosure for protection or defense
D. to die