My mother is the type of woman who suspects that a late night call or a surprise invitation is a ________ of bad news.
#5926
A
symptom
B
solution
C
subject
D
sign
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We are using ___ of law ______ great effect.
#6650
A
the arms; in
B
the weapons; of
C
the weapon; with
D
the arm; by
Nowadays people have to pass various tests for professional __________ so that they can be qualified for a well-paid job.
#6940
A
certificates
B
permission
C
admission
D
perseverance
The lack of eco-friendly habits among the public is thought to be a major _____of global climate change.
#6114
A
cause
B
result
C
warning
D
reflection
Teachers have to constantly update their knowledge in order to maintain their professional ________．
#5836
A
consequence
B
independence
C
competence
D
intelligence
Biology is ____
#7369
A
science of life
B
science of the life
C
the science of the life
D
the science of life