Accidents sometimes happen even in the best ______ families.
A. regulate
B. regulating
C. regulated
D. to regulate
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He lost his job and ______ that his wife left him.
A. on the top of
B. on top of
C. in front of
D. in the front of
Paramedics（护理人员）put the injured into ______ care not fully.
A. valuation
B. consumer
C. ambulance
D. commerce
Install special ______ and structural parts in devices.
A. physical
B. chemical
C. functional
D. additional
Health-conscious ______ want more information about the food they buy.
A. costumes
B. customs
C. criticisms
D. consumers
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