He defected( )( )()( )( )his own party and joined the Socialists.
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Within the span of a 10-minute drive, he had learned from( )()( )to the major parts of speech in a sentence.
A. scratch
B. scrape
C. script
D. screw
The genius of Xiang Yu’s conviction would be( )()( )both on the battlefield and in modern social science research.
A. justified
B. validated
C. testified
D. ratified
If you would rather( )()( )alone, we’ll all leave here as you please.
A. being
B. be
C. /
D. been
Teenagers are( )()( )from trucks and suffer severe head injuries.
A. stung
B. twisted
C. omitted
D. flung