[ TOEFL ]
The horn of the rhinoceros consists of a cone of tight bundles of keratin ______________ from the epidermis.
A. grow
B. grows
C. growing
D. they grow
Select your answer:
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Vocabulary › ViewTo go swimming, you must have the right _________ for the pool.
A. equipment
B. hobby
C. activity
Grammar › View
First word in this phrase end in -ing or -ed and acts as an adjective
A. Participial phrase
B. Infinitive phrase
C. Gerund phrase
D. Appositive phrase