The lunatic who was beyond ______ was sent to a mental hospital.
A. restrain
B. restrained
C. restraining
D. restraint
All these factors contribute to his ______ to the Darwinian theory of evolution.
A. conversion
B. reversion
C. diversion
D. subversion
The jailed Christian ______ was recently released after the intense campaign by international diplomatic mission.
A. convert
B. conversion
C. convertible
D. convertibility
Lots of young people in 1960s defied the rigid social ________.
A. customs
B. traditions
C. conventions
D. habits