What is the main purpose of our immune system?
A. To help us move
B. To help us breathe
C. To help protect us from bacteria and viruses
D. To help our hair grow

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Infinitives and GerundsConjunctions and PrepositionsModalsTimeSome & AnySynonyms and VocabularyComparison of Adjectives and AdverbsTOEICPast Perfect Simple TenseAdjectives, ING - EDOther quiz:
Grammar › ViewIdentify the pronoun within the following sentence:
I am incredibly sleepy while creating this quiz.
A. I
B. incredibly
C. sleepy
D. quiz
Reported - Gerund › View
“ You have just got a promotion, haven’t you? Congratulation!” Peter said to his friend.
A. Peter dreamed of getting promotion.
B. Peter told his friend if his friend getting a promotion.
C. Peter asked his friend on getting a promotion.
D. Peter congratulated his friend on getting on promotion.
Vocabulary › ViewEarthquake waves travel slowly through the hotter parts of the ______ and speed up in colder, denser areas.
A. kinetics
B. mantle
C. lipids
D. latitude
Grammar › View
You’ve … it in pencil.
A. wrote
B. writen
C. written
D. writed
