[ Grammar ]
Which option correctly forms the past perfect tense of the verb “to see”?
A. has seen
B. saw
C. had seen
D. have seen
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A. inform
B. informative
C. informing
D. information
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A. Drive
B. Fix
C. Stop
D. Race
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The biggest waterfall ….. the world in Venezuela.
A. in
B. on
C. at