[ Transitional Words ]
Medical studies have proven that sun damage can lead to melanoma; ________, you should always wear protective sunscreen.
A. however
B. for example
C. therefore
D. finally
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Adverbs of Frequency & Simple Present TenseAdjective and AdverbVerb + Infinitive or GerundPast ModalsTravel Vocabularyas...as, comparatives, superlativesPrepositional PhraseArticles A and AnPassive Modals in Different TensesPresent & Past TensesOther quiz:
Grammar › ViewToday, many serious diseases_______ by early immunization.[ sự miễn dịch]
A. are preventing
B. can prevent
C. prevent
D. can be prevented
Grammar and Vocabulary › View
You use this to go to the fifth floor.
A. a park
B. a lamp
C. an elevator