[ Idioms ]
To “pop up” means to ___.
a. volunteer
b. appear suddenly
c. raise your head

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Adverb of MannerTenses and ConclusionsArticles A and AnModal Verbs & Time Prepositions1st ConditionalModals - Conditionals - Future TensesModal Verb in Passive VoiceAnalogyParallel Structure or Combining SentencesDefinite and Zero ArticleOther quiz:
Grammar & Vocabulary › View… my opinion, modern technology has improved all our lives.
A. In
B. On
C. With
D. From
Modal Verbs › View
Young people ______ obey their parents.
A. must
B. may
C. will
D. ought to
Grammar › Viewa feather is very ____
A. light
B. heavy
C. long
Nouns & Pronouns › View
Piggolio recently has begun a campaign that will improve client……….
A. satisfied
B. satisfactory
C. satisfy
D. satisfaction