[ 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

Random Topics:
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:
Modal Verbs › ViewScenario: “I have a sore throat.” Response: “You __________ drink warm tea and rest your voice.”
A. must
B. might
C. should
D. can
Grammar › View
Complete the sentences with the gerund or infinitive form of the verb in parentheses.
If I want to become a professional athlete, it means _______________ most of my free time at the gym. (spend)
A. to spend
B. spending
Grammar › ViewExcuse me, can I borrow __________ dictionary?
A. your
B. yours
C. you
D. a
Conditional Sentences › View
If her team wins the championship, Grace will be very happy.
A. Zero Conditional
B. First Conditional
C. Second Conditional