[ Verb Tenses ]
Christopher Columbus ……… America more than 500 years ago.
A. discovered
B. has discovered
C. had discovered
D. had been discovering

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Grammar › ViewDoes the underlined section function as an appositive, prepositional phrase, direct object, or independent clause?
After lunch, the students gathered their books and headed toward their afternoon classes.
A. appositive
B. prepositional phrase
C. direct object
D. independent clause
Quantifiers › View
An example of a COUNTABLE NOUN is…
A. Cake
B. Butter
C. Juice
D. Strawberry