A.turned on
B.carried on
C.shown off
D.put off

A.agency
B.encounter
C.influence
D.memory

A.decide
B.combine
C.explain
D.happen

A.electricity
B.electrify
C.electric
D.electrically

A.electricity
B.electrify
C.electric
D.electrically

A.initiated
B.was initiating
C.initiate
D.were initiated

A.matters
B.issues
C.questions
D.problems

A.Because
B.Although
C.Because of
D.In spite of

A.speaking
B.saying
C.telling
D.talking

A.walk
B.am walking
C.was walking
D.walked