[ Grammar ]
Every explorer needs a vision. But what ______ explorers to leave the security of the known world to face the dangers of the unknown? For many of them, it is simply the love of adventure.
A. drive
B. drives
C. have driven
D. is driven

Random Topics:
Verbs + Gerund or InfinitiveDirect-Indirect SpeechConditional TensesNouns as AdjectivesInfinitivesBasic TensesFuture Tense VerbBasic GrammarTenses and StructureVocab and GrammarOther quiz:
Grammar Comma Usage › View. In the sentence “The Rock and Roll Hall of Fame is located at 1100 Rock and Roll Boulevard Cleveland Ohio,” where should commas be added?
A. After “Fame” and “Boulevard”
B. After “located” and “1100”
C. After “Boulevard” and “Cleveland”
D. After “Hall” and “of”
Subject Verb Agreement › View
In 1789 the Trench Revolution _____.
A. begin
B. begins
Adverbs › ViewWhich of the following is an adverb of frequency?
A. Sometimes
B. Rarely
C. Quickly
D. Beautifully
Grammar › View
Choose the correct spelling below.
A. pripaide
B. preepaid
C. prepaid
