[ Grammar ]
The ozone layer is an invisible layer of protection around the planet that protects us ____ the sun’s harmful rays.
A. away with
B. from
C. under
D. out of

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Verbs, Tenses, and VocabularyGrammar and IdiomsTOEIC Tenses, VerbsPossessive Adjectives & Possessive PronounsPronouns and AntecedentsFuture Perfect ContinuousTo Infinitive or GerundDefinite, Indefinite and Zero ArticlesModal Verbs and PermissionPrepositionsOther quiz:
Grammar › ViewCan I get ….. bottle of water, please?
A. a
B. an
C. some
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Miss Linh …………… in this hospital for 20 years.
A. work
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C. have worked
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A. your
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If her team wins the championship, Grace will be very happy.
A. Zero Conditional
B. First Conditional
C. Second Conditional