[ 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
Random Topics:
Past Simple and Past ContinuousWho vs WhomPrepositions and Preposition PhrasesOffer and SuggestionVerb TensesPresent Simple and Past ContinuousQuantifiers with NounsPast Perfect Simple & Past Perfect ContinuousNouns and QuantifiersTenses and QuestionsOther quiz:
Vocabulary › View Ty’s decision to move out to the ranch was unalterable; no one in his family could persuade him to change his mind.
A. Indefinite
B. Inconsistent
C. Unchangeable
D. Routine
Present & Past Tenses › View
“When did you realize you had lost your purse?”
“When I … money to pay the bus fare.’
A. am needing
B. was needing
C. had needed
D. needed
E. have needed
Homophones › ViewPlease be careful on that ________.
A. Stare
B. Stair
Grammar › View
Which one is not an adjective?
A. Beautiful
B. Ugly
C. Try
D. Amazing