[ Vocabulary ]
axis
A. real or imaginary line through the center of an object
B. to turn about on an axis or a center
C. the surface of the land and its features
D. an organization in the United States that directs space travel and research

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Indefinite PronounsTransition WordsAsking & Giving AttentionModals of Obligation & ProhibitionSentences vs Run-OnsModals of AdvisabilityRelative Pronouns and AdverbsSports VocabularyCollective NounsComparatives or SuperlativesOther quiz:
Tenses and Pronouns › ViewThe old man wanted to cross the road, so I helped ___________
A. he
B. you
C. they
D. him
Grammar › View
I enjoy _____________ but I wouldn’t like _________ it all my life.
A. to teach / to do
B. teaching / doing
C. to teach / doing
D. teaching / to do
Narrative Tenses & Conditionals › ViewIf people stopped using cars completely, there _______ much less pollution.
A. will be
B. would be
C. would have been
D. would
Vocabulary › View
an area of a town or city that people live in
A. neighborhood
B. strict
C. old-fashioned
D. exhibition
