[ Grammar ]
Minerals that are very ………. like diamonds and rubies are usually very expensive.
A. succint
B. ascertain
C. scarce
D. superior

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Passive Voice Tenses › View. Give an example of a sentence in the passive voice present continuous tense.
A. The book is being read by the students.
B. The students are reading the book.
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“Don’t talk so loudly.”
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B. The teacher asked us we didn’t talk so loudly.
C. The teacher asked us to talk so loudly.
D. The teacher asked us not talking so loudly.
Articles › ViewHe predicted that one day man would fly as high as ______ stars.
A. –
B. a
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Where are you going? A: I’m off to ____ airport.
A. a
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C. No Article
