[ Tenses ]
The students are in the library now. They_________ (read) books.
A. read
B. are reading
C. have read
D. is reading
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Vocabulary › Viewa layer of hot, solid rock directly below the crust
A. crust
B. mantle
C. inner core
D. outer core
E. magma
Conjunctions › View
Roger is _______ a skilled sportsman ________ a clever businessman.
A. both, and
B. not only, but also
C. both a and b
D. since, and
Grammar › View— you — any vitamins right now?
A. do…take
B. are …. taking
C. are—take
D. do…taking
Vocabulary › View
having terrible consequences; urgent or desperate
A. communicate
B. dire
C. flagrant
D. raze