Flu is a very ______ infectious disease. Fever, headaches, coughing and fatigue are some of its ______ symptoms.
#19566
A
normal; common
B
usual; ordinary
C
common; usual
D
ordinary; normal
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They asked me so many _____ questions that I got _______ at last.
#19265
A
confusing, confusing
B
confused, confusing
C
confused, confused
D
confusing, confused
I've heard from a __________ source that many of the workers may lose their jobs because our company is running very badly.
#18662
A
stubborn
B
reliable
C
extreme
D
determined
From his _______expression, we can guess that the problem maybe was quite _______.
#18828
A
puzzled ; puzzling
B
puzzling; puzzled
C
puzzled; puzzled
D
puzzling; puzzling
With many years of working experience, Jack is ___________ for the job.
#18865
A
required
B
qualified
C
substituted
D
distributed