[ Grammar ]
the throat
A. nasal cavity
B. pharyngeal cavity
C. oral cavity
D. tooth cavity

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Grammar › ViewHow many prepositions are in the sentence:
Aside from writing essays, we have to learn grammar, to edit paragraphs, and to work in groups.
A. 2
B. 3
C. 1
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In which tense is ‘could’ used to express ability?
A. Future
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Present Tense › ViewMy brother _____older than me.
A. is
B. am
C. are
D. did
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The pollution levels ____ dangerously high last summer.
A. were
B. are
C. is
D. will be