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
推荐题目
---- Are you feeling _______ better today?---- No, I’m feeling _______ worse.
#18499
A
by far; quite
B
any; even
C
fairly; rather
D
more; very
The ________ look on her face suggested that she _________ it. 
#18691
A
puzzling; hadn’t expected
B
puzzled; hadn’t expected
C
puzzling; wouldn’t expect
D
puzzled; shouldn’t expect