Though flu is a      disease,it can cause death.
#20710
A
regular
B
normal
C
usual
D
common
推荐题目
--- What a beautiful day!--- Yes, it is _______ that I’d like to take a walk.
#18290
A
such a nice weather 
B
so a nice weather
C
such nice weather  
D
so nice weather
You should be __________ with what you have.
#19796
A
satisfy
B
content
C
need
D
meet
It is_______ that I can still remember_______ was discussed at the meeting. 
#17714
A
sure; when
B
sure; what
C
certain; when
D
certain; what